(2x-y)/3=(x+y)/4 -1
问题描述：
(2x-y)/3=(x+y)/4 -1
( 2x-y)/3=(x+y)/4 -1
(6(x+y)=4(2x-y)+16
解二元一次方程组
答
( 2x-y)/3=(x+y)/4 -1 8x-4y=3x+3y-3 5x=7y-3
6(x+y)=4(2x-y)+16 3x+3y=4x-2y+8 x=5y-8
25y-40=7y-3 18y=37 y=37/18 x=41/18