Question

Calcula el valor de “y” al resolver el sistema:
xz = 250
(x + y)x = 1000
(x + y)z = 100

Answer 1

x.z=250 z=250/x (x+y).z=1000 y=1000-x²/x (x+y).z=100

(x+1000-x²/x)(250/x)=100 ( x²+1000-x²/x)(250/x)=100

x²=250000/100=50

(50+y).50=100 2500+50y=100 2500-100=50y y=2400/50=48

y=48