Solving 2 Step Equations: Check your Knowledge

What is step 1, in solving this equation:

9x + 2 = 110

• subtract 2 on both sides

• add 2 on both sides

• I don't know

What is step 2 in solving this equation:

9x + 2 = 110

• Multiply by 9 on both sides

• Divide by 9 on both sides

• Add 9 on both sides

Solve this equation:

5x + 3 = 38

• x = 8.2

• x = 7

• x = 175

What is the opposite (inverse) operation of addition?

*Inverse means opposite

• multiplication

• addition

• subtraction

Solve this equation:

4x + 9 = 21

• x = 7

• x = 3

• x = 48

What is the opposite (inverse) of multiplication?

Remember inverse means opposite

• division

• subtraction

• addition

What is step 1 in solving this equation:

3x + 4 = 22

• add 4 on both sides

• subtract 4 on both sides

• I don't know

Solve this equation:

2x - 12 = 4

• x = 32

• x = -4

• x = 8

What is step 2 in solving this equation:

10x - 20 = 80

HINT: *Work out the problem first*

• Multiply by 10 on both sides

• Divide by 10 on both sides

• Add 10 on both sides

Solve this equation:

6x + 5 = 47

• x = 7

• x = 8.6

• x = 252