Viet chuong trinh pascal giai phuong trinh ax+b=0

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1. 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(‘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.

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