" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x+2y=9 (dikali 2)
maka, 2x-4y=10 dan 2x+4y=18
2x-4y=10
2x+4y=18 (kurang)
-8y=-8
y=1
x+2y=9
x+2(1)=9
x+2=9
x=9-2
x=7
maka, x=7 dan y=1
semoga bermanfaat :)
x + 2y = 9 | x2 |
2x-4y=10
2x+4y=18
_________ _
-8y = -8
y= -8 / -8
y=1
x+2y=9
x+2(1)=9
x+2=9
x=9-2
x=7
jadi,y=1 dan x=7