" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2) - 3x + y = - 11
Despejo y en 1
7x + y = 29
y = 29 - 7x
Sustituyo y en 2
- 3x + y = - 11
- 3x + 29 - 7x = - 11
- 3x - 7x = - 11 - 29
- 10x = - 40
x = - 40/-10
x = 4
Sustituyo x en el despeje de y
y = 29 - 7x
y = 29 - 7 (4)
y = 29 - 28
y = 1
x = 4
y = 1