3.1-3.2 Review

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

70 = x + 5

• subtract 5 from both sides

• add 5 to both sides

• subtract -5 from both sides

• add 70 to both sides

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

15 = m - 5

• subtract 5 from both sides

• subtract 15 from both sides

• add 5 to both sides

• add 15 to both sides

• Divide both sides by 11

• Multiply both sides by 16.

• Multiply both sides by 11.

• Add 11 to both sides.

How should you show your work to isolate the variable and solve the equation?

x + 7 = 12

• Subtract 7 from both sides.

• Multiply both sides by 7.

• Add 7 to both sides.

How would you solve this equation: 9x = 153?

• subtract 9 to both sides

• add 9 to both sides

• multiply 9 by both sides

• divide 9 by both sides

• Multiply 12 by both sides.

• Divide both sides by 12.

• Multiply 17 by both sides.

• Divide both sides by 17.

What is the first step in getting "x" by itself?
3x - 7 = 28

• subtract 7
• add 7
• multiply by 3
• divide by 3

What is the first step to solve:

16y - 4 = 28

• Multiply both sides by 16

• Add 4 to both sides

• Divide both sides by 16

• Subtract 4 from both sides

Look at the work. What SHOULD have been the first step?

• It's correct!
• Subtract 1 on both sides
• Add 5 on both sides
• Divide by 3 on both sides

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.