2(x+y)-3(x-y)=1 6(x+y)+(x-y)=51
问题描述：
2(x+y)-3(x-y)=1 6(x+y)+(x-y)=51
答
2(x+y)-3(x-y)=1
2x+2y-3x+3y=1
-x+5y=1
6(x+y)+(x-y)=51
7x+5y=61
8x=60
x=15/2
y=17/10你确定是对的吗2(x+y)-3(x-y)=1 2x+2y-3x+3y=1-x+5y=16(x+y)+(x-y)=517x+5y=518x=50x=25/4y=29/20