Program GIAI_PHUONG_TRINH_BAC_NHAT; Uses crt; Var a,b,x: real; BEGIN Clrscr; Writeln('GIAI PHUONG TRINH BAC NHAT: AX + B=0');
Writeln('------------------------------------------------------------');
Writeln(‘Nhap a = ‘);
readln(a);
Writeln(‘Nhap b= ‘);
readln(b);
If a=0 then If(b=0) then Writeln(' Phuong trinh co vo so nghiem')
Else writeln(' Phuong tring vo nghiem')
Else Writeln('Phuong trinh co nghiem x=',-b/a: 4: 2);
Readln;
END.
