document.write( "Question 928506: how to solve x+y=-7 if y=x+1 \n" ); document.write( "
Algebra.Com's Answer #563647 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! how to solve x+y=-7 if y=x+1 \n" ); document.write( "Substitute for \"y\" and solve for \"x\":: \n" ); document.write( "x + (x+1) = -7 \n" ); document.write( "2x = -8 \n" ); document.write( "x = -4 \n" ); document.write( "---- \n" ); document.write( "Then y = -4+1 = -3 \n" ); document.write( "---------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |