Question

X-2y=13. x-6y=-3 método de cramer​

Answer 1

Respuesta:

x = 21 , y = 4

Explicación paso a paso:

∆s = (1×(-6)) - (1×(-2)) = -6 +2 = -4

∆x = (13×(-6)) - (-3×(-2)) = -78 - 6 = -84

∆y = (1×(-3)) - (1×(13)) = -3 - 13 = -16

x = ∆x/∆s = -84/-4 = 21

y = ∆y/∆s = -16/-4 = 4