Test 3 Solving Equations Review

What is the first step to solve this equation?

3x + 6 = 10 + 3x + 4x 

• Add 4x to both sides of the equation

• Combine like terms 3x and 4x on the same side of the equation

• Add 3x and 6 to get 9x

• Add 6 and 10 to get 16

7x - 4 = 3 + 8x

• x = 7
• x = -7
• x = 2/7
• x = 11

Which operation will undo subtraction?

• Addition

• Subtraction

• Multiplication

• Division

Solve for x

8x + 3 = 5x +12

• 3

• 4

• 1

• 6

In the equation 3x + 8=23, the number 3 is called the ____________.

• variable

• constant

• coefficient

• answer

10x + 9 = 4x - 9

• 0
• 3
• -3
• -18

In the equation 3x + 8=23, the number 8 is called the ____________.

• variable

• constant

• coefficient

• answer

Solve for x

5x + 2 = 4x + 4

• 1

• 2

• 3

• 4

In the equation 2x-5=27, which of the following is the variable?

• 2

• x

• -5

• 27

What is the opposite operation of multiplication?

• multiplication

• addition

• subtraction

• division