Solving One Step Addition and Subtraction Equations

Front

What is a one-step addition equation?

Back

A one-step addition equation is an equation that can be solved by adding a number to both sides to isolate the variable.

Front

What is a one-step subtraction equation?

Back

A one-step subtraction equation is an equation that can be solved by subtracting a number from both sides to isolate the variable.

Front

Solve: w - 113 = 4

Back

w = 117

Front

Solve: t - 17 = 6

Back

t = 23

Front

Solve: 99 = 51 + y

Back

y = 48

Front

Solve: 4.7 = y + 1.34

Back

y = 3.36

Front

Solve: w + 27 = 58

Back

w = 31

Front

What is the first step to solve w - 113 = 4?

Back

Add 113 to both sides of the equation.

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

What is the solution to an equation?

Back

The solution to an equation is the value of the variable that makes the equation true.