Inverse Operations Add Sub

The inverse operation for an equation that includes add 18 is:

• subtract 8

• subtract 18

• add 8

• add 18

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations

• math

• variable

• PEMDAS

The inverse of addition is ...

2x + 1 = 6
When solving, first UNDO add/sub. What would the first step be in solving this equation?

• Divide by 2

• Subtract 1

• Subtract 6

• Times 2

-6 + x/4 = 11
When solving, first UNDO add/sub. What would the first step be in solving this equation?

• Divide by 4

• Add 6

• Subtract 11

• Times 4

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

Solve: 2n+10=-2

Adding the opposite is known as________

When solving equations, it is all about the____________.

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations

• math

• variable

• PEMDAS