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

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

Back

Add 7 to both sides of the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the second step to solve the equation 2t = 10?

Back

Divide both sides by 2.

Tags

CCSS.6.EE.B.7

Front

Solve the equation 4x + 7 = 23.

Back

x = 4.

Tags

CCSS.7.EE.B.4A

Front

What is the purpose of isolating the variable in an equation?

Back

To find the value of the variable that makes the equation true.

Tags

CCSS.6.EE.B.7

Front

Back

Subtract 3 from both sides.

Tags

CCSS.7.EE.B.4A

Front

Back

x = 8.

Tags

CCSS.7.EE.B.4A

Front

How do you check if your solution to an 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 first step to solve the equation x/4 + 2 = 42?

Back

Subtract 2 from both sides.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to 'isolate the variable'?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Tags

CCSS.7.EE.B.4A