Evaluate each expression If p=3, q= -3, r=5 2p+3q+5r

Evaluate each expression If p=3, q=-3, r=5 A. 2p + 3q + 5r B. p-q + 2r C. p+7q-r
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1 Answer

A. 2p+3q+5r=6-9+25=22

B. p-q+2r=3+3+10=16

C. p+7q-r=3-21-5=-23
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