Equivalent Expressions

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

• 10x + 7
• 17x
• 17
• 15x + 2

Which expression is equivalent to 4(x + 6)?

• 4x + 6
• 4x + 24
• x + 24
• 10x + 24

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

• 12x - 3
• 8x -9
• 8x - 18
• 12x - 18

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

• 28y + 1
• 29y
• 22y + 7
• 29

Which expression is equivalent to 12(5 - 4x)?

• 12x
• 17 - 16x
• 60 - 48x
• 60 - 4x

A variable...

• represents an unknown value.

• is a symbol.

• has no answer.

How would you show: a number p increased by 48

• p+48
• 48+p
• 48-p
• p-48

3 + x  if x = 7

• 11
• 10
• 4
• -4

Find the equivalent expression.

9 x 9 x 9 x 9 x 9

• 9⁵

• 9¹⁵

• 9 x 5

• 9 + 9 + 9 + 9+ 9

Which expression is equivalent to:
6m − m

• 5m
• 7m
• 8m
• 5