Expressions and Equation Quiz

Which is the correct simplified version of the expression shown below after combining like terms?

7-4x-2-4x

• -4x+14

• -8x+5

• -4x+9

• -8x+9

Which is the correct simplified version of the expression shown below after combining like terms?

3-2x-1-2x

• 4x-2

• -4x-2

• 4x+2

• -4x+2

What is the first step in solving the following equation?

2x+14=12

• Divide 2

• subtract 14

• Subtract 12

• Multiply by 2

What is the first step in solving the following equation?

5x-10=25

• divide by 5

• Subtract 10

• add 10

• Multiply by 5

What is the first step in solving the following equation?

10x+2+2x=26

• Add 2

• Divide by 10

• Combine 10x+2x

• Subtract 26

What is the first step in solving the following equation?

x+2+x+x=11

• Subtract 11

• Subtract 2

• add 2

• Combine x+x+x

Solve.

3y+2y=25

• 20

• 3

• 2

• 5

7x+5x=-24

• -12

• 12

• 2

• -2

Solve the equation shown:

3(x+10)=39

• x=3

• x=-3

• x=7

• x=-7

5(x+5)=40

• x=3

• x=-3

• x=5

• x=-5