решите уравнение х*14*10=280; 163+37х+18х=328; (573+а)-173=617; 108-(90+у)=15

x*14*10=280x*140=280x=280:140x=2163+37x+18x=328163+55x=32855x=165x=3(573+а)-173=617573+a=780a=207

x*14*10=280x*140=280x=280/140x=2163+37x+18x= 32837x+18x = 328-16355x = 165x = 165/55x = 3(573+a)-173 = 617573+a = 617+173a = 617+173-573a = 217180-(90+y) = 15-(90+y) = 15-180-90-y=-165-y=-165+90-y=-75y=75