Expressions

Which expression is equivalent to –2.5(7.5 – 3x)?

• –3x – 18.75

• -3x +5

• 7.5x - 18.75

• 7.5x + 5

Which expression is equivalent to 5(x + 2y) – 3(y + 2x)?

• 7x - y

• -x + 7y

• 6xy

• 18xy

Which expression is equivalent to –19x + 8y – 2 + 7x – 40y + 42?

• –2(13x + 24y – 22)

• –2(13x + 24y + 22)

• –4(3x – 8y +10)

• –4(3x + 8y – 10)

Which expression is equivalent to (6x+2)+(3x+7)?

• 18x+14

• 8x+10

• 9(x+9)

• 9(x+1)

Which algebraic expression is equivalent to –2(4x – 5y – 5x)?

• 2x + 10y

• -2x - 10y

• -8x - 5y

• -13x -5y

Which expression is equivalent to -2/3(12x + 3y) -4(7x + 7)

• (8x – 2y) – (28x – 28)

• 2(18x - y -14)

• -20x - y -28

• -2(18x + y + 14)

Which expression is equivalent to 2(3 – x) – 12 + 4x?

• 3x – 6

• 3x - 7

• 2x - 6

• 2x -7

Two expressions are shown below

What value of k will make the expressions equivalent?

-41x + k

3/4(-28x - 12) - 5/6(24x - 30)

• -42

• -34

• 16

• 114

Which expression is equivalent to 1/2y - 1/8

• 2(y - 1/8)

• 1/2(y-1/4)

• 1/2(y-1/8)

• 1/4(1/2y -1/2)

Select ALL expressions that are equivalent to 12− 4𝑥.

• 4(3− 𝑥)

• −4(𝑥 − 3)

• −4(3 + 𝑥)

• 2(6− 2𝑥)