DO NOW: 1) 2). Hook 100p + 3225 = 75p + 3300 How is this problem different from the equations we have seen before? How do I move the variables onto one.

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Presentation transcript:

DO NOW: 1) 2)

Hook

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

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

Check

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

Check

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

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

SOLVE AND CHECK

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?

Wrap Up 7a−3 = 3+6a −10+x+4−5 = 7x−5