Review Equations & Simplifying

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.

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

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

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11

• Multiply both sides by 11.

• Add 11 to both sides.

• Subtract 11 to both sides.

What is the inverse operation of subtraction?

• Subtraction
• Multiplication
• Division
• Addition

What would be the best first step to solving the equation?
-6x=-24

• multiply both sides by -6
• divide both sides by -6
• add 6  to both sides
• subtract -6  from both sides

What would be the best first step to solving the equation in one step?

• multiply both sides by 3
• multiply both sides by -3
• divide both sides by -3
• add 3 to each side

What is the first inverse operation needed to solve for y?

2y - 254= 900

(think: what is step one?)

• subtraction

• addition

• multiplication

• division

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Level 3

Identify the steps to solve for b

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5