One-Step Equations: Adding and Subtracting

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 by adding or subtracting a number from both sides.

Front

Solve for x: x - 10 = 12

Back

x = 22

Front

What is the first step to solve the equation 4 + b = 30?

Back

Subtract 4 from both sides to isolate b.

Front

Solve for b: 4 + b = 30

Back

b = 26

Front

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

Back

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

Front

Solve for x: x - 8 = 5

Back

x = 13

Front

What is the solution to the equation x + 8 = 10?

Back

x = 2

Front

How do you check your solution for x + 2 = 10?

Back

Substitute 8 back into the equation: 8 + 2 = 10, which is true.

Front

Solve for x: x + 2 = 10

Back

x = 8

Front

What is the inverse operation of addition?

Back

Subtraction is the inverse operation of addition.