(1) 5(X-8)+33=-6(X+5)
5x-40+33=-6x-30
5x+6X-40+33+30=0
11X+23=0
X=-23/11
(2)10(1/5X-2)=25(8/5X+3/25)-2
2x-20=40x+3-2
2x-40X=20+3-2
x=-21/38
(3)2(X-5)=3(5X+1)-33
解2x-10=15x+3-33
2x-15x=10+3-33
-13x=-20
x=20/13
(4)9X-3(X-2)=6X+2
9x-3x+6=6x+2
9x-3x-6x=-4(最后一题题目 错了吧!)