Question

ENCONTRAR EL VALOR DE X e Y EN EL PRESENTE SISTEMA
2x+5y = 5
-3x+7 y = 36​

Answer 1

(7)2x + 5y = 5

(-5)-3x+ 7y =36

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14x+35y=5

-15x-35y=-180

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-x=-175

x=175

-3(175)+7y=36

-525+7y=36

7y=561

y=80,1