Question

What is a first step to solving for x in the equation −=9 x minus 7 equals 10? How would you check your solution

Answer 1

-17/9

Explanation:

You need to add 7 to both sides.

-9x - 7 = 10

-9x -7 + (7) = 10 + 7

-9x = 17

Then both sides for (-9)

-9x/(-9) = 17/(-9)

x = -17/9