Respuesta :

x= 2y

2x-5y=-4

Put the first equation in the second equation ( replace x= 2y)

2(2y)-5y = - 4

Solve for y:

4y-5y = -4

-y= -4

Multiply both sides by -1

y=4

Replace y=4 in the first equation, and solve for x

x=2(4)

x=8

Solution = (8,4)

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