" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4X + 2Y = 5 (2)
(1)x4: 20X + 12Y = 48
(2)x-5: -20X - 10Y = -25
(1)x4: 20X + 12Y = 48
+(2)x-5:-20X - 10Y = -25
-------------------------------------
2Y = 23
2Y = 23
Y = 23/2
Reemplazo en (1)
5X + 3Y = 12
5X = 12 - 3Y
5X = 12 - 3(23/2)
5X = 12 - 69/2
5X = 24/2 - 69/2
5X = -45/2
X = -45/(5x2)
X = -9/2
Rta: X = -9/2; Y = 23/2