Combining Like Terms

6x + 2x 

• 8x 

• 12x 

• 8 

• 12 

4x + 3 + 7x 

• 14x 

• 11x + 3 

• 28x + 3 

• 11x - 3 

5z - 4z

• 1z

• 9z

• 20z

• 0

Simplify by combining like terms:

5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify by combining like terms:

3x-5x

• 2x

• 8x

• -2x

• 15x²

Simplify by combining like terms:

-r -10r

• 11r

• -11r

• 9r

• -11

Simplify by combining like terms:

3x + 2x + 3y - 7y

• 5x + 10y

• 5x + 4y

• 5x - 4y

• 5x -10y

Simplify the following expression by combining like terms:
3(2x - 4) + 6x - 1

• 12x - 13

• 12x - 5

• 11x - 2

• -x

Simplify the following expression:
-10x + 15 - 3x + 2

• 13x² + 17

• -13x² + 13

• -13x + 17

• -7x + 17

Simplify the following expression:
-10x - 9x + 1

• -19x + 1

• -19x² + 1

• -10x - 8

• -19x - 1