" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x=8-4y
x=-4y+8 : 2
x=-2y+4
2).x-6y= -4
(-2y+8) - 6y = -4
-8y=-4-8
-8y=-12
y=-12/-8
y=-3/2
substitusikan ke 2x+4y=8
2x+4(-3/2)=8
2x+(-6)=8
2x=8+6
2x=14
x=7