System of Equations

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CCSS.HSA.CED.A.3

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CCSS.HSA.CED.A.3

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CCSS.HSA.CED.A.3

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CCSS.HSA.CED.A.3

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Mathematical Equivalence

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CCSS.8.EE.C.8C

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CCSS.HSA.CED.A.3

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CCSS.HSA.CED.A.3

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CCSS.HSA.CED.A.3

Summarize how you solve the equation below.

50 = 12 + x

• Subtract 12 from both sides of the equation. (take 12 from the 12 +x side and take 12 away from 50)

• Subtract 12 from the right side of the equation. (just take 12 away from the 12 + x side)

• Subtract 50 from both sides of the equation. (take 50 away from the 12 +x side and 50 away from 50)

• Combine 50 and 12

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CCSS.6.EE.B.7