Solving One Step Equations with Addition or Subtraction

Front

What is a one-step equation?

Back

An equation that can be solved in one operation, either by addition or subtraction.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

How do you isolate a variable in an equation?

Back

Perform the inverse operation on both sides of the equation.

Front

If x + 5 = 12, what is x?

Back

7.

Front

If y - 3 = 10, what is y?

Back

13.

Front

What does it mean to balance an equation?

Back

To keep both sides of the equation equal by performing the same operation on both sides.

Front

If 20 = z + 4, what is z?

Back

16.

Front

If -10 = m - 5, what is m?

Back

-5.

Front

What is the first step to solve the equation 15 = v - 9?

Back

Add 9 to both sides.