Combining Expressions

Simplify by combining like terms:

m + 9 - 4m

• 5m

• m + 5m

• -3m + 9

• 4m

Simplify by combining like terms:

2a² – 8a²+ 5a³– 11a²

• - 5a² + 5a³

• -17a² + 5a³

• 5a^{2 -} 5a³

Like terms have the same _____ and the same _____.

• variables and numbers

• signs and numbers

• variables and exponents

• variables and signs

Combine like terms

5x + 9 +2x

• 16x

• 7x + 9

• 5x + 11x

Combine like terms

• 55sq

• 3s + 37q + 15

• 25s + 31sq

Combine like terms

• x + 10

• 2x + 46

• x + 46

Simplify the expression

8x +2(4x+3)

• 14x + 3

• 16x + 6

• 14x + 6

Are the following expressions equivalent?

3(2x+3) and 6x+9

• Yes

• No

Which expression is equivalent to:
d + d + d + 3 + 2

• 3d + 5

• d + 5

• 2d + 7

• 3d + 4

Simplify: 4k + 6k - 3k + 3s - s

• 13k + 3s

• 7k + 2s

• 7k + 4s

• Can't be simplified