document.write( "Question 206288: y = x + 4
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document.write( " 3y - 5x= 6 Solve by substitution \n" );
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Algebra.Com's Answer #155866 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! y=x+4 \n" ); document.write( "3y-5x=6 \n" ); document.write( "3(x+4)-5x=6 \n" ); document.write( "3x+12-5x=6 \n" ); document.write( "-2x=6-12 \n" ); document.write( "-2x=-6 \n" ); document.write( "x=-6/-2 \n" ); document.write( "x=3 ans. \n" ); document.write( "y=3+4 \n" ); document.write( "y=7 ans. \n" ); document.write( "Proof: \n" ); document.write( "3*7-5*3=6 \n" ); document.write( "21-15=6 \n" ); document.write( "6=6 \n" ); document.write( " \n" ); document.write( " |