Question 1153843
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Go to the specialized web-site 


https://atozmath.com/CONM/GaussEli.aspx?q=GS2


or


https://www.easycalculation.com/algebra/gauss-seidel-method.php



There are Gauss-Zeidel iteration method <U>ONLINE SOLVERS</U> there, free of charge.


They will do everything you want for you.


Happy solving (!)