método de sustitución X + 3y = 15
2X -y = 8
ayudame porfavor
2X -y = 8
ayudame porfavor
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Respuesta:
x=39/7, y=22/7
Explicación paso a paso:
x+3y=15
2x-y=8
x=15-3y
2(15-3y)-y=8
30-6y-y=8
-7y=8-30
-7y=-22
y=-22/-7
y=22/7
x=15-3(22/7)
x=15-66/7
x=105/7-66/7
x=39/7