Solving One-Step Equations (adding and subtracting)

Front

Solve for r: -4 + r = 10

Back

r = 14

Front

What is the inverse operation of subtraction?

Back

Addition

Front

Solve for n: -3 = n - 11

Back

n = 8

Front

Solve for x: x + 8 = 15

Back

x = 7

Front

Solve for b: 10 = -7 + b

Back

b = 17

Front

What is a one-step equation?

Back

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

Front

How do you isolate a variable in an equation?

Back

Perform the inverse operation on both sides of the equation.

Front

If x - 5 = 10, what is x?

Back

x = 15

Front

If y + 3 = 12, what is y?

Back

y = 9

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.