Question

HELP!!!! What is-15=(3x-10)-5x

Answer 1

exact form x=5/2 decimal form2.5 mixed number form 2 1/2

Explanation:

Answer 2

x = 2.5

Explanation:

`-15=(3x-10)-5x\\\\-15=3x-10-5x\qquad\text{combine like terms}\\\\-15=(3x-5x)-10\\\\-15=-2x-10\qquad\text{add 10 to both sides}\\\\-15+10=-2x-10+10\\\\-5=-2x\qquad\text{divide both sides by (-2)}\\\\(-5)/(-5)=(-2x)/(-2)\\\\2.5=x\to x=2.5`