Properties of Equality Quiz

If x+5=12, what is x?

• 5

• 7

• 8

• 10

If y−3=9, what is y?

• 6

• 9

• 12

• 15

If 4z=20, what is z?

• 3

• 4

• 5

• 6

If w=2, what is w?

• 8

• 10

• 12

• 14

Simplify 3(2+x):

• 3x+6

• 6+3x

• 6+2x

• 2+3x

If a+10=15, what is a?

• 3

• 5

• 10

• 15

If 18−b=7, what is b?

• 9

• 11

• 15

• 21

If 7m=28, what is m?

• 2

• 3

• 4

• 5

If 36=9x, what is x?

• 2

• 3

• 4

• 5

Simplify 5(x+4):

• 5x+4

• 5x+20

• 9x+4

• 20+5x