Question

{ 2x + 5y + 1 = 0 3x − 2y − 8 = 0 }

Answer 1

Respuesta:

{2×+5y+1=0

0,3×-2y-8=0

{2×+5y=-1

0,3×-2y-8=0

{2×+5y=-1

3×-20y=80

{8×+20y=-4

3×-20y=80

11×=76

×=76/11

2×76/11+5y=-1

y=163/55

(×,y)=(76/11,-163/55)