document.write( "Question 395521: 14) how to solve 3x+y=-8 with the substitution of -2x-y=6 \n" ); document.write( "
Algebra.Com's Answer #280682 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! how to solve \n" ); document.write( "3x+y=-8 \n" ); document.write( "with the substitution of \n" ); document.write( "-2x-y=6 \n" ); document.write( "---- \n" ); document.write( "Add the two equations and solve for \"x\": \n" ); document.write( "x = -2 \n" ); document.write( "============ \n" ); document.write( "Solve for \"y\": \n" ); document.write( "3x+y = -8 \n" ); document.write( "3(-2)+y = -8 \n" ); document.write( "-6 + y = -8 \n" ); document.write( "y = -2 \n" ); document.write( "========== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |