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SŌP. 1. Simplify: -2(x + 3) 2. Simplify: 3[(5 + 7 2 ) – 20]. = -2x - 6. = 3[(5 + 49) – 20]. = 3[(54) – 20]. = 3[34]. = 102. 3.1. Solving Equations by Adding and Subtracting. Example 1. t + 5. -5. =. 11. -5. t. + 0. =. 6. Now you try…. y + 3. -3. =. -2. -3. Example 2.

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SŌP

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  1. SŌP 1. Simplify: -2(x + 3) 2. Simplify: 3[(5 + 72) – 20] = -2x - 6 = 3[(5 + 49) – 20] = 3[(54) – 20] = 3[34] = 102

  2. 3.1 Solving Equations by Adding and Subtracting

  3. Example 1 t + 5 -5 = 11 -5 t + 0 = 6

  4. Now you try… y + 3 -3 = -2 -3 Example 2 y + 0 = -5

  5. Example 3 a - 4 +4 = -10 +4 a + 0 = -6

  6. Now you try… x - 6 +6 = -6 +6 Example 4 x + 0 = 0

  7. Example 5 -4 + x +4 = -30 +4 x -26 0+ =

  8. Now you try… 4.6 + m - 4.6 -4.6 = 0 Example 6 m 0 + = -4.6

  9. + b Now try a more challenging problem… = - + - = b 1 0 + Example 7

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