respuesta
x=-1
y=2
Explicación paso a paso:
pasos con formula de sustitución
2x -y=-4
3x+5y=7
2x-y=-4,3x+5y=7
2x-y=-4
2x=y -4
x=1/2(y-4)
x=1/2-2
3(1/2y-2)+5y=7
3/2-6=7
13/2y-6=/
13/2y=13
x=1/2 x 2 -2
x=1-2
-2 +1
" 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=-1
y=2
Explicación paso a paso:
pasos con formula de sustitución
2x -y=-4
3x+5y=7
2x-y=-4,3x+5y=7
2x-y=-4
2x=y -4
x=1/2(y-4)
x=1/2-2
3(1/2y-2)+5y=7
3/2-6=7
13/2y-6=/
13/2y=13
y=2
x=1/2 x 2 -2
x=1-2
-2 +1
x=-1