1)(x-1)/2=(4+5x)/3
3(x-1)=2(4+5x)
3x-3=8+10x
3x-10x=11
-7x=11
x=-11/7
2)(2x-3)/3=-5
2x-3=-15
2x=-12
x=-6
3)x/12-x/8=7/6 |×24
2x-3x=28
x=-28
4)(x+8)/3-(x-2)/5=2 |×15
5x+40-3x+6=30
2x+46=30
2x=-16
x=-8
5)(7x-4)/9-(3x+3)/4=(8-x)/6 |×36
28x-16-27x-27=48-6x
x-43=48-6x
7x-43=48
7x=91
x=13
