Question

How do you solve `112 -5 =9z+7`?

Answer 1

`z = 11 1/9`

Explanation:

You solve for `z` by keeping the equation balanced:

`112 - 5 = 9z + 7`

`112 - 5 - 7 = 9z + 7 - 7`

`9z = 100`

`z = 100/9 = 11 1/9`