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24-09-2018
Mathematics

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Question: Solve the system by the substitution method. y = -4x - 10 2x + 5y = -14

Respuesta :

24-09-2018

y=-4x-10
2x+5y=-14

2x+5(-4x-10)=-14
2x-20x-50=-14
-18x=36
x= -4

y=-4(-4)-10
y=16-10
y=6

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