7(4x+2)-8(5-3x) help me please
28x+14-40+24x= 52x-26
28x+14-49+24x=52x-26 48x-30+28-7x=41x-2 2x-7-3x+3=x-10 8-20x-15+20=13-20x 10y-20+9y-54 , у=-34 -25+15у=16у-48 ,-у=-23 у=23 21у-20у=-30+35 у=5 у=0
в начале не -49,а -40 -_-