Warm Up: Solving 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

Back

Tags

CCSS.7.EE.B.4A

Front

What is the first step in solving the equation: 5x + 7 = 12?

Back

Subtract 7 from both sides.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to complete when solving the equation: 10 - 3y = 4?

Back

Subtract 10 from both sides.

Tags

CCSS.7.EE.B.4A

Front

Solve the equation: -4x + 1 = 21

Back

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CCSS.7.EE.B.4A

Front

Solve the equation: 8 - 2x = 30

Back

Tags

CCSS.7.EE.B.4A

Front

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

Back

Isolating the variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Tags

CCSS.7.EE.B.4A

Front

What is the inverse operation of addition?

Back

Subtraction.

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CCSS.2.NBT.B.5

Front

What is the inverse operation of multiplication?

Back

Division.

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CCSS.3.OA.C.7

Front

If you have the equation 3x + 5 = 20, what is the first step to solve for x?

Back

Subtract 5 from both sides.

Tags

CCSS.7.EE.B.4A