Answer:
x=0
Step-by-step explanation:
9x-7=-7
Add 7 to each side
9x -7+7 = -7+7
9x = 0
Divide each side by 9
9x/9 = 0/9
x = 0
Answer: x = 0
9x -7 = -7 First add 7 to both sides
+7 +7
9x = 0 Now divide both sides by 9
