" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x+4y=6
-6x-4y=4
5x-4y=6
x=10
5x+4y=4/*5
7x+5y=6/*-4
25x+20y=20
-28x-20y=-24
-3x=-4
x=3/4
5x+4y=6 /*(-2)
12x+8y=8
-10x-8y=12
2x=20/:2
x=10