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30 votes
30 votes
I. Resuelve el siguiente sistema por el método de eliminación
(7x - 3y = 27
5x + y = 35

User Minduca
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1 Answer

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5x+y=35 \implies 15x+3y=105 \\ \\ \implies (15x+3y)+(7x-3y)=105+27 \\ \\ 22x=132 \\ \\ \boxed{x=6} \implies 7(6)-3y=27 \\ \\ -3y=-15 \\ \\ \boxed{y=5}

User Duck In Custard
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