Step to 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 adding, subtracting, multiplying, or dividing.

Front

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

Back

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

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

How do you isolate a variable in an equation?

Back

You isolate a variable by performing the inverse operation to both sides of the equation.

Front

Solve for x: x + 5 = 12

Back

x = 7

Front

Solve for y: y - 8 = 15

Back

y = 23

Front

What is the first step to solve the equation: 3x = 12?

Back

Divide both sides by 3.

Front

Solve for z: z + 10 = 30

Back

z = 20

Front

What is the correct step to solve for the variable in the equation: 20 = m + 4?

Back

Subtract 4 from both sides.