5y-72=48-3y
53×(x-961)=3975
(k+2958):87=134
69+4m=2m+153
Реши уравнение

5y-72=48-3y<br />5y+3y=48+72<br />8y=120<br />y=120:8<br />y=15 69+4m=2m+153 4m-2m=153-69 2m=84 m=84:2 m=42

5y-72=48-3y5у+3у=48+728у=120у=120:8у=15Проверка:5*15-72=48-3*1575-72=48*453=353×(x-961)=3975х-961=3975:53х-961=75х=75+961х=1036Проверка:53*(1036-961)=397553*75=39753975=3975(k+2958):87=134к+2958=134*87к+2958=11658к=11658-2958к=8700Проверка:(8700+2958):87=13411658:87=134134=13469+4m=2m+1534м-2м=153-692м=84м=84:2м=42Проверка:69+4*42=2*42+15369+168=84+153237=237