Expand.
-5x-10=8x
−5x−10=8x
2 Add 5x5x to both sides.
-10=8x+5x
−10=8x+5x
3 Simplify 8x+5x8x+5x to 13x13x.
-10=13x
−10=13x
4 Divide both sides by 1313.
-\frac{10}{13}=x
−
13
10
=x
5 Switch sides.
x=-\frac{10}{13}
x=−
Answer: x=− 13/10
