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Algebraic Proofs

Algebraic Proofs. Statement Reason. Given - Prop. = Simplify. X + 5 = 19 - 5 - 5 X = 14. Statement Reason. Given + Prop = Simplify. 1 = x – 2 +2 +2 3 = x. Statement Reason. Given x Prop. = Simplify. x ÷ 7 = 6 x 7 x 7 x = 42.

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Algebraic Proofs

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  1. Algebraic Proofs

  2. Statement Reason • Given • - Prop. = • Simplify • X + 5 = 19 • - 5 - 5 • X = 14

  3. Statement Reason • Given • + Prop = • Simplify • 1 = x – 2 • +2 +2 • 3 = x

  4. Statement Reason • Given • x Prop. = • Simplify • x ÷ 7 = 6 • x 7 x 7 • x = 42

  5. Statement Reason • Given • - Prop = • Simplify • ÷ Prop = • Simplify • 5x + 4 = 39 • - 4 - 4 • 5x = 35 • ÷5 ÷5 • x = 7

  6. Statement Reason • Given • + Prop = • Simplify • ÷ Prop = • Simplify • 2x – 6 = 24 • + 6 + 6 • 2x = 30 • ÷2 ÷2 • x = 15

  7. Statement Reason • Given • Distributive Prop • + Prop = • Simplify • ÷ Prop = • Simplify • 7(4x – 10) = 14 • 28x – 70 = 14 • + 70 +70 • 28x = 84 • ÷28 ÷28 • x = 3

  8. Exit Slip Statement Reason • 5x + 5 = 40 • Given

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