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Formula Ratio Proportion Percent of change Weighted Average Equivalent Equations Solve an Equation Multistep Equations identify " And in the end it's not the years in your life that count. It's the life in your years." Abraham Lincoln

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Objective: Solve equations with more that one operation. CFU 3102.3.11; Solve multi-step linear equations with one variable. CLE 3102.3.4; Solve problems involving linear equations and linear inequalities. SPI 3102.3.5 Write and/or solve linear equations, inequalities, and compound inequalities including those containing absolute value.

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15 = 15 15 + 3 = 15 18 = 18 m – 48 = 29 + 3 21 + q = -18142 + d = 97 + 48 +48 m = 77 -21 q = -39 -142 m = -45

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Multiply by 5 k = 50 k = 10 5 k = 10 5 5* *5 k = 10 5 5*5* *5 Multiply by 3 a = 18 a = 6 3 a = 6 3 3* *3 a = 6 3 3*3* *3 Multiply by 11 x = 44 x = 4 11 x = 4 11 11* *11 x = 4 11 11* *11

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25m = 100 Opposite Divide by 25 25m = 100 25 25m = 100 25 m = 4 5n = 35 Opposite Divide by 5 5n = 35 5 5 5n = 35 5 n = 7 4p = 24 Opposite Divide by 4 4p = 24 4 4 4 p= 24 4 p = 6

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Multiply by 30

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Opposite of multiplying by fraction is multiplying by its inverse! ½ B = 42 ¾ D = 12

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Turn to page 81 and 82 Working with your partner complete the activities Turn to page 90 Working with your partner complete the activities As you work out each problem with the tiles, write your steps out algebraically on a paper to turn in

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x + 4 = -9-7 + x = 21 x – 2 = -11 y–(- 12.1) = - 2.3 7 + x = 1.9

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7m – 17 = 60 subtracting 17 +17 +17 add 17 7m = 77 multiplying by 7 7 7 divide by 7 m = 11 check by substituting solution for variable 7(11) – 17 = 60 77 – 17 = 60 60 = 60 Start at last step farthest from variable - Open box before unfold

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5q - 13 = 37 subtracting 13 +13 +13 add 13 5q = 50 multiplying by 5 5 5 divide by 5 q = 10 check by substituting solution for variable 5(10) – 13 = 37 50 – 13 = 37 37 = 37 Start at last step farthest from variable - Open box before unfold

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Adding 21 Subtract 21 Dividing by 8 Multiply by 8 Check Start at last step farthest from variable - Open box before unfold

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Subtracting 9 Add 9 Dividing by 12 Multiply by 12 Check Start at last step farthest from variable - Open box before unfold

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Multiply by 9 Add 15

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Check your solution

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page 94 12 - 50 Even

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Solving Absolute-Value Equations

Solving Absolute-Value Equations

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