Equivalent Expressions

• 21x + 10

• 7(3x) + 2

• 14x + 7

• 21x + 14

• -3x - 18

• -3x + 6

• -3x + 18

• 3x + 18

• -6x - 8

• -6x + 8

• 6x - 8

• 6x + 8

• 15 + 6w

• 20 + 5w

• 25 + 4w

• 15 + 5w

Select the expression that is equivalent to 48 + 12.

• 6(8+6)

• 12(4+1)

• 4(44 + 3)

• 8(6+4)

Simplify.

6(2x + 3y) + 3(x - y)

• 12x + 15y

• 15x + 15y

• 12x - 13y

• 9x

Which of the following situations can be represented by the expression 3n - 15? Select all that apply.

• Margo spent n dollars on 3 notebooks and $15 on a cell phone cover.

• 15 less than the product of 3 and a number, n

• 15 subtracted from a number, n, that has been tripled

• The difference of 15 times a number, n, and 3

• Oscar earned $3 per hour packing boxes and spent $15 on lunch.

Which expressions can be used to determine the area, in square feet, of this figure?

• B and C

• C and E

• A and C

• A and E

• B,C and D

Which expression represents how much Hannah charges?

• 12.25n

• 6.50 + 5.75n

• 6.50n + 5.75

• 6.50n + 5.50n