Respuesta :

rachellllllaa

Answer:

x = 5

Step-by-step explanation:

6x-2x-5 = -6+21

Combine like terms.

4x - 5 = 15

Get the variable by itself by adding 5 to each side.

4x = 15 + 5

Simplify.

4x = 20

Divide.

x = 5

mathstudent55

Answer:

x = 5

Step-by-step explanation:

6x - 2x - 5 = -6 + 21

Add like terms on the left side. Add like terms on the right side.

4x - 5 = 15

Add 5 to both sides.

4x = 20

Divide both sides by 4.

x = 5