Question

PORFAVOR NECESITO AYUDA PARA HOY ​

Answer 1

-2x+4y=7 (-1)

2x-4y=-7

2x=-7+4y

x=-7+4y/2

x=-7/2 + 2y

3(-7/2 + 2y)-5y=4

y=4+21/2

y=29/2

x=-7/2 + 2(29/2)

x=51/2

x=51/2 y= 29/2