x-8=y+10 变形成 => x - y = 18
所以二元一次方程组:
x + y = 86
x - y = 18
1式 + 2式, => 2x = 104
x = 52
1式 - 2式, => 2y = 68
y = 34
所以,答案是 x = 52 , y = 34