Solving One-Step Equations add and sub

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step by performing the same operation on both sides of the equation.

Front

How do you solve the equation K - 15 = 20?

Back

Add 15 to both sides: K = 20 + 15, so K = 35.

Front

What is the solution to the equation p - 5 = 13?

Back

Add 5 to both sides: p = 13 + 5, so p = 18.

Front

How do you solve the equation 56 = x + 21?

Back

Subtract 21 from both sides: x = 56 - 21, so x = 35.

Front

What is the solution to the equation x + 9 = 12?

Back

Subtract 9 from both sides: x = 12 - 9, so x = 3.

Front

How do you solve the equation x + 7 = 19?

Back

Subtract 7 from both sides: x = 19 - 7, so x = 12.

Front

What operation do you perform to isolate a variable in an equation?

Back

You perform the inverse operation of what is currently being done to the variable.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.