document.write( "Question 54729: Okay, tried working this one....substitution....getting confused:
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document.write( "4x=3-y 8x+2y=6 solve x and y \n" );
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Algebra.Com's Answer #36985 by tutorcecilia(2152) You can put this solution on YOUR website! 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] \n" ); document.write( ". \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 \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |