SOLUTION: solve each system by substitution. y=-3x+19 y=2x-1

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Question 216985: solve each system by substitution. y=-3x+19
y=2x-1
Answer by rfer(16322) About Me  (Show Source):
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y=-3x+19
y=2x-1
2x-1=-3x+19
5x=20
x=4
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y=2(4)-1
y=7
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7=-3(4)+19
7=-12+19