One Step Equations Add and Subtract

Front

Solve for x: x - 5 = 20

Back

x = 25

Front

Solve for r: r + 12 = 25

Back

r = 13

Front

Solve for y: y - 14 = 66

Back

y = 80

Front

Solve for x: x + 12 = 20

Back

x = 8

Front

What is a one-step equation?

Back

An equation that can be solved in one operation (addition or subtraction).

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

If x + 7 = 15, what is x?

Back

x = 8.

Front

If y - 3 = 10, what is y?

Back

y = 13.

Front

What does it mean to isolate a variable?

Back

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