Из двух матриц сформировать третью - Turbo Pascal

uses crt;
const n=5;
var a,b:array [1..n,1..n] of integer;
x:array [1..n,1..2*n] of integer;
i,j:integer;
begin
clrscr;
randomize;
writeln('Matrica A:');
for i:=1 to n do
begin
for j:=1 to n do
begin
a[i,j]:=random(88)+10;
write(a[i,j],' ');
end;
writeln;
end;
writeln('Matrica B:');
for i:=1 to n do
begin
for j:=1 to n do
begin
b[i,j]:=random(33)+10;
write(b[i,j],' ');
end;
writeln;
end;
 
writeln('Matrica X:');
for i:=1 to n do
for j:=1 to n do
begin
x[i,j]:=a[i,j];
x[i,n+j]:=b[i,j];
end;
 
 
 
for i:=1 to n do
begin
for j:=1 to 2*n do
write(x[i,j],' ');
writeln;
end;
readkey;
end.