arbitrary variable

9 times a number is that number minus 10 The phrase a number means we define a random/arbitrary variable, let's call it x: x 9 times a number means we multiply x by 9: 9x The phrase that number refers back to the original arbitrary variable we defined above, which is x: x That number minus...

2 more than twice the sum of 10 and a number The phrase a number means an arbitrary variable, let's call it x. x The sum of 10 and a number means we add x to 10: 10 + x Twice the sum means we multiply 10 + x by 2: 2(10 + x) 2 more than twice the sum means we add 2 to 2(10 + x): 2(10 + x) + 2

If the difference of a number and 4 is multiplied by 3 the result is 19 The phrase a number means an arbitrary variable, let's call it x: x The difference of a number and 4: x - 4 The phrase is multiplied by means we multiply x - 4 by 3: 3(x - 4) The phrase the result is means equals, so we...

7 minus a number all divided by 4 The phrase a number means an arbitrary variable, let's call it x. x 7 minus a number 7 - x All divided by 4: (7 - x)/4

3 times a number is 3 more a number The phrase a number means an arbitrary variable, let's call it x. 3 times a number: 3x 3 more than a number means we add 3 to x: x + 3 The word is means and equation, so we set 3x equal to x + 3 3x = x + 3

Nine times the sum of a number and 6 The phrase a number means an arbitrary variable, let's call it x. x The sum of a number and 6 means we add 6 to x: x + 6 9 times the sum: 9(x + 6)

WHAT SHOULD BE SUBTRACTED FROM -9876 TO OBTAIN -9512 We set up an arbitrary number x. Subtracted from is written as -9876 - x The phrase to obtain means an equation, so we set -9876 - x equal to -9512 -9876 - x = -9512 To solve for x, we type this equation into our search engine and we get...

The difference between the opposite of a number and 6. The phrase a number means an arbitrary variable, let's call it x. x The opposite of a number means we multiply by x by -1 -x The phrase the difference between means we subtract 6 from -x: -x - 6

The sum of a number and 34 times the number The phrase a number means an arbitrary variable. Let's call it x. x 34 times the number: 34x The sum of a number and 34 times the number means we add both terms together: x + 34x

a number added to 5 minus p The phrase a number means an arbitrary variable, let's call it x. We add 5 minus p to this number x: x + 5 - p

the ratio of ten to a number The phrase a number means an arbitrary variable, let's call it x. The ratio of 10 and this number x is written as: 10/x

the quotient of a number and twice another number The phrase a number means an arbitrary variable, let's call it x. The phrase another number means another arbitrary variable, let's call it y. Twice means we multiply y by 2:2y The quotient means we divide x by 2y: x/2y

El triple de la diferencia de dos números La frase 2 números significa variables arbitrarias. Llamémoslos xey. La diferencia significa que restamos y de x: x - y Triple significa multiplicar la diferencia por 3 3(x - y)

translate the product of -1 and a number in mathematics expression The phrase a number means an arbitrary variable. Let's call it x. The product of -1 and the number; -x

Decrease 12 by a number The phrase a number means an arbitrary variable, let's call it x. We take 12 and decrease it by x, meaning we subtract x from 12: 12 - x

Zalika thinks of a number. She subtracts 6 then multiplies the result by 5. The answer is the same as subtracting 5 from the number then multiplying by 4. The phrase a number means an arbitrary variable, let's call it x. We're given two expressions in relation to this number (x): She subtracts...

7 times a number increased by 4 times the number Let a number and the number be an arbitrary variable. Let's call it x. We have an algebraic expression. Let's take it in pieces: 7 times a number: 7x 4 times the number: 4x The phrase increased by means we add 4x to 7x: 7x + 4x Simplifying, we...

Angad was thinking of a number. Angad adds 20 to it, then doubles it and gets an answer of 53. What was the original number? The phrase a number means an arbitrary variable, let's call it n. Start with n Add 20 to it: n + 20 Double it means we multiply the expression by 2: 2(n + 20) Get an...

2 times a number subtracted by x The phrase a number means an arbitrary variable, let's call it n. n 2 times a number means we multiply n by 2: 2n The phrase subtracted by means we subtract 2n from x: x - 2n

the sum of 6 and 7, plus 5 times a number, is -12 The sum of 6 and 7 means we add the two numbers: 6 + 7 This evaluates to 13 Next, we take 5 times a number. The phrase a number means an arbitrary variable, let's call it x. So we multiply x by 5: 5x The first two words say the sum, so we add...