document.write( "Question 90433: Solve the system by graphing.
\n" ); document.write( " 3x + y = 6
\n" ); document.write( " 3x – y = 0
\n" ); document.write( "
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Algebra.Com's Answer #65745 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
3x-y=0 or -y=-3x or y=3x now substitute 3x for y in the othere equation
\n" ); document.write( "3x+3x=6
\n" ); document.write( "6x=6
\n" ); document.write( "x=6/x
\n" ); document.write( "x=1 answer.
\n" ); document.write( "3*1+y=6
\n" ); document.write( "3+y=6
\n" ); document.write( "y=6-3
\n" ); document.write( "y=3 answer.
\n" ); document.write( "proof
\n" ); document.write( "3*1-3=0
\n" ); document.write( "0=0
\n" ); document.write( "
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