(1)( x+1)/6=(y+1)/8 十字相乘8(x+1)=6(y+1)整理得(3)4x-3y=-1
(2)(x+1)/6=(x+y)/10 十字相乘 6(x+y)=10(x+1)整理得(4)-2x+3y=5
(3)与(4)相加
2x=4
x=2 代入到(4)
3y=5+2x=5+4=9
y=3
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