Answer:
The first step in solving for x would be adding 7 to both sides. Once you find what x equals you can check your solution by filling in x and seeing if it equals 10.
Explanation:
9x-7=10
add 7 to both sides
9x= 17
divide both sides by 9
x = 17/9
To check:
9(17/9)-7 = 10
10=10