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Prealgebra: Variables


Problems

Problem : What is r + 5 if r = 7 ? If r = - 11 ?


Problem : What is 2k if k = 15 ? If k = 100 ?


Problem : What is r 2 if r = 15 ? If r = 2/3 ?


Problem : What is 15f - 12 if f = 1 ? If f = 3 ?


Problem : What is 4×(m - 6) + 34 if m = 12 ? If m = 0 ?


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