One Step Equations

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What is a one-step equation?

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A one-step equation is an algebraic equation that can be solved in a single step by performing the same operation on both sides of the equation.

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CCSS.6.EE.B.7

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n=180

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CCSS.6.EE.B.7

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x=-7

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CCSS.6.EE.B.7

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What does the term '-3x' represent in algebra tiles?

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-3x represents a negative value of three times the variable x.

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Write an equation for Andrew's savings: He has $55 and needs $145 for an iPod.

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55 + x = 145

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CCSS.HSA.CED.A.3

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If each pair of socks costs $2.50, how do you express the total cost for 6 pairs?

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2.50(6) = x

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CCSS.6.EE.C.9

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Subtract 5 from both sides to isolate x.

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CCSS.6.EE.B.7

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x = 4

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CCSS.6.EE.B.7

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Define the term 'variable' in mathematics.

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A variable is a symbol used to represent an unknown value, often denoted by letters like x or y.

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CCSS.6.EE.A.2B

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What is the purpose of solving equations?

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The purpose of solving equations is to find the value of the variable that makes the equation true.

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CCSS.7.EE.B.4A