Answer:
X=-7
Explanation:
6x−3+6x=−87
Step 1: Simplify both sides of the equation.
6x−3+6x=−87
6x+−3+6x=−87
(6x+6x)+(−3)=−87(Combine Like Terms)
12x+−3=−87
12x−3=−87
Step 2: Add 3 to both sides.
12x−3+3=−87+3
12x=−84
Step 3: Divide both sides by 12.
12x
12
=
−84
12
x=−7