Question

x+2y=5 2x+y=2 representação geométrica do sistema linear ​

Answer 1

Resposta:

×+2y=5

2×+y=2

x +2y=5

×= 5 -2y

2x+y=-2

2(5-2y)+y-2

10 -4y + y= -2

-4y+y= -2 -10

-3y= -12

y=12/3

y=4

x+2y=5

x+ 2+4=5

× + 8= 5

×-5-8

×=3