Combining Like Terms

What is the simplest form of the expression 5x + 7x + 8y – 4x + 9y + y?

• 30xy
• 16x + 18y
• 12x + 14y
• 8x + 18y

What is the simplest form of the expression 6x + 3x – 5 + x+ 1?

• 9x – 5
• 10x – 4
• 13x
• 14x

Simplify.

8x - 3 - 5x - (-9)

Do not use any spaces.

-9(2g - 3)

• 18g + 27
• -18g + 27
• -18g - 27
• 18g - 27

Which expression is equivalent to
4(2s + 3t + 2)?

• 2s + 3t + 8
• 6s + 7t + 6
• 8s + 3t + 2
• 8s + 12t + 8

Simplify:

3x + (-5x) + 4x

Simplify:

-2x - (-8x) + 5

Which of the following is equivalent to 8(5f - 7) + 3f ?

• 43f - 7

• -13f

• 43f - 56

-7(w - 4) + 3w - 27

• 4w + 15
• -4w + 1