document.write( "Question 1016529: How do you solve the systems 4x–7y=-8 and –3x+4y=6 by elimination \n" ); document.write( "
Algebra.Com's Answer #632917 by FrankM(1040)![]() ![]() You can put this solution on YOUR website! 4x–7y=-8 \n" ); document.write( "–3x+4y=6\r \n" ); document.write( "\n" ); document.write( "Multiple first equation by 3 and second by 4\r \n" ); document.write( "\n" ); document.write( " 12x-21y=-24 \n" ); document.write( "-12x+16y=24\r \n" ); document.write( "\n" ); document.write( "-5y=0\r \n" ); document.write( "\n" ); document.write( "y=0\r \n" ); document.write( "\n" ); document.write( "x=-2 \n" ); document.write( " |