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}
program Ex3_pag151_c;
var x,y,x1,x2,deltax:real;
begin
writeln('x1=');
readln(x1);
writeln('x2=');
readln(x2);
writeln('deltax=');
readln(deltax);
writeln('x=':10,'y=':20);
writeln;
x:=x1;
while x<=x2 do begin
y:=3*x-4;
writeln(x:20,y:20);
x:=x+deltax;
end;
end.
