Question

sistema de incógnitas 2×=3y-14 2y=×+8​

Answer 1

Resposta:

2×=3y-14

2y=×+8

2x-3y= -14

-x+2y= 8 .(2)

2x-3y= -14

-2x+4y= 16(+)

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y = 2

-x+2y= 8

-x+2.2= 8

-x+4=8

-x=8-4

-x= 4 .(-1)

x = - 4

Resp : x= - 4; y = 2