Respuesta :

Jieep
6−2x−x=18

Simplify both sides of the equation.

6−2x−x=18

6+2x+−x=18

(2x+−x)+(6)=18

3x+6=18

3x+6=18

Subtract 6 from both sides.

3x+6−6=18−6

3x=12

Divide both sides by -3. 

3x/−3 12/−3

x=−4

Answer:

x = 4