Two- Step Equations

Front

What is the goal when solving an equation?

Back

To find the unknown value.

Front

What is the equation for the model where 2 times a number minus 3 equals 5?

Back

2x - 3 = 5

Front

What does it mean to isolate a variable in an equation?

Back

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

Front

What is the first step to solve the equation x + 4 = 10?

Back

Subtract 4 from both sides.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

If 2p - 254 = 900, what is the first step to solve for p?

Back

Add 254 to both sides.

Front

What is a two-step equation?

Back

An equation that requires two operations to solve for the variable.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation.

Front

What is the solution to the equation 3x + 6 = 15?

Back

x = 3.