Respuesta :

Answer:

X=-7

Step-by-step 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