Решите уравнения: 28*(х+5)=224 144:(х-3)=36 (х+67):18=4 (4n+3n)*11=154 (19n-6n):4=26 (17n-8n)*13=354

28х-84=028х+140-224=028х-84=0х=84/28=3144/х-3-36=0х/18+67/18-4=0х/18+3,72-4=0х/18-0,27=0х=0,27*18=57н*11-154=077н-154=0н=154/77=213н/4-26=03,25н-26=0н=26/3,25=89н*13-354=0117н-354=0н=354/117=3,02

28*(х+5)=22428х+140=22428х=224-14028х=84х=84/28х=3144:(х-3)=36144=36(х-3)144=36х-108144+108=36х252=36хх=252/36х=7(х+67):18=418*4=х+6772=х+6772-67=хх=5(4n+3n)*11=15444n+33n=15477n=154n=154/77n=2(19n-6n):4=2619n-6n=4*2613n=104n=104/13n=8(17n-8n)*13=354221n-104n=354117n=354n=354/117