Answer:
x=8
Step-by-step explanation:
Distribution Property: multiply -9+x into -10
-10(-9+x)= 90-10x
90-10x=10
Put alike numbers together.
[tex]\frac{90}{-90}[/tex]-10x= [tex]\frac{10}{-90}[/tex]
-10x=-80
Divide to get x.
-10x=-80
[tex]\frac{-10x}{-10} = \frac{-80}{-10}[/tex]
x= 8