Solving one step addition and subtraction equations

Front

What is a one-step addition equation?

Back

An equation that can be solved in one step by adding a number to both sides.

Front

Solve: y + 9 = 23

Back

y = 14

Front

What is a one-step subtraction equation?

Back

An equation that can be solved in one step by subtracting a number from both sides.

Front

Solve: x - 5 = 8

Back

x = 13

Front

What is the inverse operation of addition?

Back

Subtraction

Front

What is the inverse operation of subtraction?

Back

Addition

Front

Solve: z + 13 = 32

Back

z = 19

Front

Solve: m - 29 = 41

Back

m = 70

Front

What does it mean to isolate a variable?

Back

To get the variable alone on one side of the equation.

Front

What is the first step to solve the equation x + 7 = 15?

Back

Subtract 7 from both sides.