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Published byAlexander Morris Modified over 8 years ago

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DO NOW: 1) 2)

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Hook

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100p + 3225 = 75p + 3300 How is this problem different from the equations we have seen before? How do I move the variables onto one side?

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100p + 3225 = 75p + 3300 How do I know if my final answer is correct?

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Check

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What variable do I move first? Why? How do I know my answer is correct?

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Check

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5n+34=−2(1−7n) How is this problem different from the previous one? What makes this problem complex? Why?

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5n+34=−2(1−7n) Are there any other ways we can solve this?

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SOLVE AND CHECK

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4. Tim is choosing between two cell phone plans that offer the same amount of free minutes. Cingular’s plan charges $39.99 per month with additional minutes costing $0.45. Verizon’s plan costs $44.99 with additional minutes at $0.40. How many additional minutes, a, will it take for the two plans to cost the same?

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Wrap Up 7a−3 = 3+6a −10+x+4−5 = 7x−5

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