Solving One Step Equations (Addition and Subtraction)

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step, typically involving addition or subtraction.

Front

Solve for x: x + 12 = 20

Back

x = 8

Front

What is the inverse operation of addition?

Back

Subtraction is the inverse operation of addition.

Front

Solve for y: y + 6 = 20

Back

y = 14

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.

Front

If x + 12 = 20, what is x?

Back

x = 8

Front

What is the first step to solve x + 12 = 20?

Back

Subtract 12 from both sides of the equation.

Front

What is the solution to the equation x - 5 = 10?

Back

x = 15

Front

How do you check your solution for x + 12 = 20?

Back

Substitute x = 8 back into the equation: 8 + 12 = 20.

Front

What is the solution to the equation y - 4 = 10?

Back

y = 14