Unit 3 Equations Review

Solve: y + 9.3 = -4.2

• y = -13.5

• y = 13.5

• y = 5.1

• y = -5.1

Solve: -11 = n - 6

• 17 = n

• -17 = n

• 5 = n

• -5 = n

• a = -1.3

• a = 1.3

• a = 108

• a = -108

11b + 7 = 40

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

-3 ( f - 8 ) = 39

• -21
• -10.3
• -5
• 5

• -18

• 5

• -19

• -9

How many solutions does this equation have?

6x - 3 = 6x + 9

• One Solution

• No Solution

• Many Solutions

How many solutions does this equation have?

4y + 5 = 4y - 7

• One Solution

• No Solution

• Many Solutions

How many solutions does this equation have?

3z + 8 = 2 + 3z

• One Solution

• No Solution

• Many Solutions