Respuesta:
Despejamos
x+5=y (-5)
x=-5+y
x+y=15. (-y)
x=-y+15
Igualamos
-5+y=-y+15. (+y)
-5+2y=15. (+5)
2y=20. (:2)
y=10
sustituimos
x+5=10. (-5)
x=5
Explicación paso a paso:
" 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:
Despejamos
x+5=y (-5)
x=-5+y
x+y=15. (-y)
x=-y+15
Igualamos
-5+y=-y+15. (+y)
-5+2y=15. (+5)
2y=20. (:2)
y=10
sustituimos
x+5=10. (-5)
x=5
Explicación paso a paso:
x=5
y=10