SOLUTION: Solve using substitution.
4x + 5y = 16
y = -4
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Question 982435: Solve using substitution.
4x + 5y = 16
y = -4
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
4x+5*-4=16
4x-20=16
4x=16+20
x=36/4
x=9
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