document.write( "Question 548648: 3x+y=16
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document.write( "2x-3y=-4 \n" );
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Algebra.Com's Answer #357187 by Hsj7339(2)![]() ![]() ![]() You can put this solution on YOUR website! 3x+y=16 \n" ); document.write( "2x-3y=-4\r \n" ); document.write( "\n" ); document.write( "You have to null either the x or y value when given two equation with this format \n" ); document.write( "so you multiply the top equation by 3. \n" ); document.write( "(3)3x+y=16(3)= 9x+3y=48\r \n" ); document.write( "\n" ); document.write( "9x+3y=48 \n" ); document.write( "2x-3y=-4\r \n" ); document.write( "\n" ); document.write( "Now that you have nulled the y value you get x isolated\r \n" ); document.write( "\n" ); document.write( "11x=44 so x=4\r \n" ); document.write( "\n" ); document.write( "now you plug that in to get y\r \n" ); document.write( "\n" ); document.write( "2x-3(4)=-4 then you can solve it as a normal equation. \n" ); document.write( " |