" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y+2x=70
5y+x=80 ( dikalikan 2)
y+2x=70
10y+2x=160
_________ -
-9y = -90
y = 10
(10)+2x=70
2x=60
x=30
(30,10)
persamaan garis tsb adalah
y-y1=m(x-x1)
y-10=1(x-30)
y-10=x-30
x-y=20