4x+2y= 7
x = 7-2y/4
sustiuimos en la segunda
3( 7-2y/4)-3y= -4
21-6y/4-3y = -4
21-6y-12y = -16
-18y= -16-21
-18y = -37
y = 37/18
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4x+2y= 7
x = 7-2y/4
sustiuimos en la segunda
3( 7-2y/4)-3y= -4
21-6y/4-3y = -4
21-6y-12y = -16
-18y= -16-21
-18y = -37
y = 37/18
x = 7-2y/4