решите уравнения
17(5+х)-20х=8х-14.....
24х-12(7+х)=16-8х.....
29+14(9-у)=19-2у......
-15(4у-3)+37у=42у-111......
пожалуйста!!!!)∞

17(5+x)-20x=8x-1485+17x-20x=8x-1485-3x=8x-14-3x-8x=-14-85-11x=-99x=99:11x=924x-12(7+x)=16-8x24x-84-12x=16-8x12x-84=16-8x12x+8x=16+8420x=100x=100:20x=529+14(9-y)=19-2y29+126-14y=19-2y155y-14y=19-2y-14y+2y=19-155-12y=-136y=136:12y=34/3-15(4y-3)+37y=42y-111-60y+45+37y=42y-111-23y+45=42y-111-23y-42y=-111-45-65y=-156y=156:65y=12/5