(x-5)/3+(x+5)/8=(x-3)/4+(2x+3)/9
问题描述：
(x-5)/3+(x+5)/8=(x-3)/4+(2x+3)/9
答
(x-5)/3+(x+5)/8=(x-3)/4+(2x+3)/9 左右乘72
24(x-5)+9(x+5)=18(x-3)+8(2x+3)
24x-120+9x+45=18x-54+16x+24
33x-75=34x-30
34x-33x=30-75
x=-45