Seven less than 1/4 of a number is 9.
The phrase a number means an arbitrary variable, let's call it x.
x
1/4 of a number means we multiply x by 1/4:
x/4
Seven less than this means we subtract 7 from x/4:
x/4 - 7
The word is means an equation, so we set x/4 - 7 equal to 9:
x/4 - 7 = 9
The phrase a number means an arbitrary variable, let's call it x.
x
1/4 of a number means we multiply x by 1/4:
x/4
Seven less than this means we subtract 7 from x/4:
x/4 - 7
The word is means an equation, so we set x/4 - 7 equal to 9:
x/4 - 7 = 9