The phrase a number means an arbitrary variable. We can pick any letter a-z except for i and e.
Let's choose x.
The difference of a number and ten
x - 10
Eighteen times the difference of a number and ten
18(x - 10)
The phrase a number means an arbitrary variable. We can pick any letter a-z except for i and e.
Let's choose x.
Twice a number means we multiply x by 2:
2x
The sum of twice a number and 6:
2x + 6
Ten times the sum of twice a number and six
10(2x + 6)
The phrase a number means an arbitrary variable. We can pick any letter a-z except for i and e.
Let's choose x.
One-third a number means we multiply x by 1/3:
x/3
Less two means we subtract 2
x/3 - 2
The phrase a number means an arbitrary variable. We can pick any letter a-z except for i and e.
Let's choose x.
One-half a number means we multiply x by 1/2:
x/2
Times fifteen means we multiply:
15x/2
The phrase a number means an arbitrary variable. We can pick any letter a-z except for i and e.
Let's choose x.
The phrase increased by means we add 6 to x
x +6