Solving Equations

What is the goal when solving algebraic equations?

• to get the answer

• to isolate the variable (get the variable by itself)

• to get rid of the equal sign

• to divide

What is the inverse operation of addition?

• Division
• Multiplication
• Addition
• Subtraction

13 + k = 25

• -12
• 12
• -38
• 38

y + 51 = 99

• 140

• 150

• 48

• Answer not Given

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

y - 14 = 66

• 80
• 52
• 79
• Answer Not Given

x - 62 = 123

What step would you have to take to solve the equation?

• Add 62 to each side.

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

What is the solution of 3w = 30

• 6

• 9

• 10

• 12

What step would you have to take to solve the following equation?

9x=153

• multiply by 9 on both sides

• divide by 9 on both sides

• add 9 to both sides

• subtract 9 from both sides