document.write( "Question 775721: Hi, I need help on solving a linear system by substituting, graphing, and addition(linear combination). I have to do it as summer work and I forgot how to do it. Three problems I solved using substitution but forget how to graph and use addition to solve it. I have a problem that I can't solve either way, help please! It is 2x-y=6 and 6x=3y+18 \n" ); document.write( "
Algebra.Com's Answer #473095 by psbhowmick(878)\"\" \"About 
You can put this solution on YOUR website!
Contact me and I will teach you the basics for graphing equations and solving them using different techniques. \n" ); document.write( "
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