Question

Auquem sabe
x+y=32 x_y=12

Answer 1

Resposta:

Explicação passo-a-passo:

x+y=32 x_y=12

x+y-32x=-y

-31x+y=-y

-31x+y+y=0

-31+2y=0

-31+2y=0,32x-y=12

-31x+2y=0

-31x=-2y

x=-1/31(-2)y

x=2/31y

32x(2/31)y-y=12

64/31-y=12

33/31=12

y=124/11

x=8/11

x=8/11, y=-124/11