Question

Whats the first inverse operation you would do for the problem 2 1/4a - 7 1/2 = 21

Answer 1

The equation is as follows

`2(1)/(4)a-7(1)/(2)=21`

The first step to clear the variable is the following.

`2(1)/(4)a-7(1)/(2)+7(1)/(2)=21+7(1)/(2)`

add 7 1/2 to both sides