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Published byBathsheba Kennedy Modified over 8 years ago

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One step equations Add Subtract Multiply Divide

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When we solve an equation, our goal is to isolate our variable by using our inverse operations. What does isolate mean? What operation is the inverse of… Addition? Multiplication?

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Addition X + 5 = -9 X + 5 - 5 = -9 -5 X = -14 6 + X = -4 6 - 6 + X = -4 - 6 X = 2

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You try! 10 = X + 3 5 + X = 9 6 = 3 + X

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Answers!!! X = 7 = 4 = 3

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Equations with subtraction X - 5 = 8 X - 5 + 5 = 8+5 X = 13 -5 + X = 6 -5 + 5 + X = 6 + 5 X = 11

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You try! X - 7 = -1 X - 4 = 66 8 = X - 2 -8 = X – 2

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Answers!!! X = 6 = 70 X = 10 X = -6

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Multiplication of Equations 3X = -9 3X/3 = -9/3 X = -3 -5X = -40 -5X/-5 = -40/-5 X = 8

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You try! 4X = -16 -1X = 9 6 = 5X 12X = 3

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Answers!!! X = -4 X = -9 X = 6/5 X = 1/4

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Division of Equations 1/2X = 4 (2/1)1/2X = 4(2) X = 8 -3/4X = 6 (-4/3)(-3/4)X = 6(-4/3) X = -8

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You try!

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Answers!!! X = 27 X = -28 X = -3 X = 16

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MORE YOU TRY!

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