7(4x+2)-8(5-3x) -6(8x-5)+7(4-x) +7)-3(x-1) 4(2-5x)-5(3-4) - вопрос №742853685747314255341022940631 от гений248 10.05.2020 07:41

Question

Алгебра: 7(4x+2)-8(5-3x) -6(8x-5)+7(4-x) +7)-3(x-1) 4(2-5x)-5(3-4) 10(y-2)=9(y-6) -5(5-3y=16(y-3) 7(3y-5)=-10(3-2y) 14(3y-2)=-7(4-6y)

гений248 · Answer

28х+14-40+24х=52х-2648х-30+28-7х=41х-22х-7-3х+3=х-108-20х-15+20=13-20х10у-20=9у-54, у=-34-25+15у=16у-48, -у=-23, у=2321у-20у=-30+35, у=5у=0...