Solving Equations Review

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Solve the equation:
3x - x + 2 = 4(2x - 1)

• infinite solutions
• x = 1
• x = -1
• no solution

Is 7 a solution to the equation?

3x+8-x = 5x-4

• yes

• maybe

• no

Solve the equation:

2(x + 3) = 8

• 2.5

• 1

• 7

• 5.5

5x - 4 + 2x = 3

• 1
• 2
• 3
• 4

22 + 2a = 37 + 6 + a

• 21
• -21
• 5
• 6

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5

3a + 9 + 4a = 2

• -1
• 1
• no solution
• -7

4(-8x + 5) = -32x - 26

• 54
• -54
• all real numbers
• no solution