document.write( "Question 778268: y=2x+1
\n" ); document.write( "y=3x
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Algebra.Com's Answer #474696 by sofiyac(983)\"\" \"About 
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plug in 3x instead of y in the first equations and solve for x
\n" ); document.write( "3x=2x+1 subtract 2x from each side
\n" ); document.write( "x=1 now plug that into second equation (you can plug in either) and solve for y
\n" ); document.write( "y=3*1=3
\n" ); document.write( "(1,3)
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