document.write( "Question 54729: Okay, tried working this one....substitution....getting confused:
\n" ); document.write( "4x=3-y 8x+2y=6 solve x and y
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Algebra.Com's Answer #36985 by tutorcecilia(2152)\"\" \"About 
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4x=3-y [Solve for y]
\n" ); document.write( "4x-3=-y
\n" ); document.write( "-4x+3 =y [Substitute for y in the other equation]
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\n" ); document.write( "8x+2y=6
\n" ); document.write( "8x+2(-4x+3)=6
\n" ); document.write( "8x-8x+6=6 [Simplify]
\n" ); document.write( "0+6=6
\n" ); document.write( "0=0 [Both equations are for the same line. Graph each equation to check]\r
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