" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Penyelesaian ada di lampiran ya
2x+3y=6 |x3| 6x+9y=18
6x+2y=8 |x1| 6x+2y=8
________-
7y=10⇒y=10/7
2x+3y=6 ⇔ 2x+3.10/7=6 ⇔ 2x=6-30/7 ⇔ 2x=(42-30)/7 ⇔2x=12/7 ⇔ x=12/14 ⇔ x=6/7
x-y=6/7-10/7=-4/7.
Semangat!