Solve One-Step (+/-) Equations

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in a single operation, either by addition or subtraction, to isolate the variable.

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, making it easier to find its value.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Front

Solve for x: x + 5 = 12

Back

x = 7

Front

Solve for y: y - 9 = 15

Back

y = 24

Front

What do you do to both sides of an equation when solving?

Back

You do the SAME thing to both sides of the equation.

Front

Solve for z: z + 10 = 30

Back

z = 20

Front

Solve for a: a - 4 = 6

Back

a = 10

Front

What is the first step to solve x - 3 = 5?

Back

Add 3 to both sides.