Solving One Step Equations with Addition and Subtraction

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in one operation, either by addition or subtraction, to isolate the variable.

Front

What does it mean to isolate a variable in an equation?

Back

Isolating a variable means to get the variable alone on one side of the equation to find its value.

Front

Solve for x: 7 + x = 15

Back

x = 8

Front

Solve for x: x - 8 = 10

Back

x = 18

Front

How do you solve the equation x - 62 = 123?

Back

Add 62 to each side to isolate x.

Front

Solve for x: x - 5 = 5

Back

x = 10

Front

Solve for x: x - 4 = 5

Back

x = 9

Front

What is the first step to solve x + 3 = 10?

Back

Subtract 3 from both sides.

Front

What is the solution to the equation x + 5 = 12?

Back

x = 7

Front

If x - 10 = 0, what is x?

Back

x = 10