Solving 2 step equations

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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

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Back

Subtract 11 from both sides.

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CCSS.7.EE.B.4A

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x = 2.

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CCSS.7.EE.B.4A

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t = -3.

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 other side.

Tags

CCSS.6.EE.B.7

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What is the purpose of performing the same operation on both sides of an equation?

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To maintain the equality of the equation.

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CCSS.HSA.REI.A.1

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x = 7.

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CCSS.6.EE.B.7

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Divide both sides by 2.

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CCSS.7.EE.B.4A

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Back

x = 3.

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CCSS.7.EE.B.4A

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Back

Subtract 8 from both sides.

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CCSS.6.EE.B.7