Combining Like Terms and Multiplying Exponents

Like terms have the same _____ and the same _____.

• variables and numbers

• signs and numbers

• variables and exponents

• variables and signs

Simplify by combining like terms.
-14w + 8 + 9w - 2

• 23w + 6

• -23w + 6

• -6w + 7

• -5w + 6

Simplify by combining like terms.
-8c + 12c - 17 + 21c - 4

• 25c - 21

• 4c - 17

• 21c + 25

• 4c - 13

5x + 2y - 3x - y + 4y - 4y = 

• 2x

• 2x + y

• 3x + y

• x + 3y

To combine like terms in an expression, the terms must have the same ​ ​ (a)   and ​ (b)  

• variable

• exponent

• constant

• coefficients

• coefficient

Simplify the expression by COMBINING LIKE TERMS.

Mathematical Equivalence

ON

Simplify:

-n - 5(-6-7n)

• 34n + 30

• 35n - 30

• 35n + 30

• -6n - 30

Which of these are like terms?
-3x + 4 - 8x + 2xy

• -3x and -8x

• -3x and 4

• -3x and -8x and 2xy

• -8x and 2xy

7x and -14x are an example of what?

When you are COMBINING LIKE TERMS, what are you doing with the like terms?

• adding

• subtracting

• multiplying

• dividing