Combing Like Terms and Simplifying Expressions

Identify the like terms in the expression:

9-z+3-2z

• [9 & 3] and [z & -2z]

• z & 2z

• 9 & 3

• There are no like terms.

What is the coefficient on the expression: 7-5x+1

• 7

• 5x

• 1

• -5

Write the expression in simplest form:

8k + 3 + 4k

Select ALL that apply.

• 12k + 3

• 15k

• It cannot be simplified.

• 3 + 12k

Simplify by combining like terms:

12y - 8 + 4y + y

• 17y - 8

• 16y-8

• 9y

• 8y+y

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

3x - 5x

• 2x
• 8x
• -2x
• 15x²

x + 2x

• 2x²
• 3x
• Can't be simplified
• 3x + x

Evaluate the expression.    Let     c = 3     d = 2
3c + 7d

• 27
• 21
• 29
• 23

Evaluate the expression.        Let    a = 4
5a + 7a - 8

• 48
• 28
• 40
• 35

Write the phrase as an expression:

twice a number increased by 8

• 2 + 8x

• 2x + 8

• 2(x + 8)

• 8(x + 2)