# Solution to 3r-5s=-35;2r-5s=-30

Mar 29th, 2015
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Liberty University
Course: Math
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Solution to 3r-5s=-35;2r-5s=-30Solve by Substitution :// Solve equation [2] for the variable r [2] 2r = 5s - 30 [2] r = 5s/2 - 15// Plug this in for variable r in equation [1] [1] 3-(5s/2-15) - 5s = -35 [1] 5s/2 = 10 [1] 5s = 20// Solve equation [1] for the v

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