Answer:
x= -72
Step-by-step explanation:
To solve, we need to isolate the variable, x
[tex]\frac{x}{9} -7 = -15[/tex]
Add 7 to both sides
[tex]\frac{x}{9} -7 +7=-15+7[/tex]
[tex]\frac{x}{9} = -8[/tex]
Multiply both sides by 9
[tex]9(\frac{x}{9})= -8(9)[/tex]
x= -72