Answer:
x = 5
Step-by-step explanation:
Use the distributive property.
-9x + -72 + 81 = 13 - 10x
Add -72 and 81.
-9x + 8 = 13 - 10x.
Cancel out the -9x
-9x + 9x + 8 = 13 - 10x + 9x.
8 = 13 - x
8 - 13 = 13 - 13 - x
-5 = -x
We can't have a negative x so negate the whole equation.
x = 5
Hope this helps
