2 Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform inverse operations in the reverse order of operations used in the equation.

Front

What is the first step to solve the equation 7 + a/3 = 5?

Back

Subtract 7 from both sides of the equation.

Front

What is the solution to the equation x/12 - 8 = -4?

Back

The solution is x = 48.

Front

How do you solve the equation -3x - 12 = 15?

Back

Add 12 to both sides, then divide by -3 to find x.

Front

What is the value of s in the equation 2s - 4 = 6?

Back

The value of s is 5.

Front

How do you solve for x in the equation 9 + 3x = 10?

Back

Subtract 9 from both sides, then divide by 3.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

What does it mean to 'solve' an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.