x equals zero
-7=9x-7
Add the -7 over: 0=9x
Divide both sides by 9: 0=x
Answer:
Step-by-step explanation:
Rewrite the equation
9x-7=-7
Add 7 both sides
9x=7-7
Subtract 7-7 right side
9x=0
Divide 9 both sides
X= 0/9
Solved
X= 0
To check
9x-7 = -7
9(0)-7= -7
-7=-7
It checks
