28×(x+5)=224; 144:(x-3)=36; (X+67):18=4
28(x+5)=224 28x+140=224 28x=84 x=2 144:(x-3)=36 144=36(х-3) 144=36x-108 252=36x x=7 (x+67):18=4 x+67=72 x=5