Math Equivalent Expressions

Which expression is equivalent to 3x + 5 + 7x + 2?

• 10x + 7
• 17x
• 17
• 15x + 2

Which expression is equivalent to 6y + 22y + y?

• 28y + 1
• 29y
• 22y + 7
• 29

Which answer choice is equivalent to:

12x-16

Select all that apply.

• 3(4x+5)

• 3(4x-6)

• 4(4x-3)

• 4(3x-4)

• 8x-(4⋅4)+4x

Which answer choice is equivalent to:

2x+4x+6(x-3)+4

Select all that apply.

• 12x-14

• 14x-13

• 2(6x-7)

• ½(24x-28)

• 14-13x

Find an equivalent expression for the given expression: 36x + 24

• 4(9x + 7)
• 4(9x + 8)
• 2(18x + 12)
• 12(3x + 3)

Which is equivalent to -(9x + 4 - y)?

• -9x + 4 - y

• -9x + 36x + 9xy

• -9x - 36x + 9xy

• -9x - 36x - 9xy

• -9x - 4 + y

Evaluate the given expression when a = 4 and b = 5. 
2a + 6b

• 38
• 34
• 19
• 89

Simplify the expression
5x - 9 - x + 2

• 6x - 11
• 4x - 7
• 6x - 18
• 4x - 11

Simplify the following expression:
 8a - 2(7a -3)

• 8a - 14a - 6
• -6a + 6
• -6a - 6
• -6a - 3

Identify the coefficients in the following expression:
x + 5 - 3x - 1

• 3 and 1
• 1 and -3
• -3 and -1
• 5 and -1