Two 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.

Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 2t - 7 = 3?

Back

Add 7 to both sides of the equation to eliminate the constant term.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 4x + 7 = 23?

Back

The solution is x = 4.

Tags

CCSS.7.EE.B.4A

Front

How do you solve the equation x/7 - 2 = 8?

Back

First, add 2 to both sides, then multiply both sides by 7 to isolate x.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to 'clear the fraction' in an equation?

Back

Clearing the fraction means multiplying both sides of the equation by the denominator to eliminate the fraction.

Front

What is the solution to the equation (x/4) + 8 = 10?

Back

The solution is x = 8.

Tags

CCSS.7.EE.B.4A

Front

How do you check if your solution to a two-step equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Tags

CCSS.6.EE.B.5

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Tags

CCSS.HSA.REI.A.1

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Tags

CCSS.3.OA.C.7