document.write( "Question 705639: Hi, i would like some help on this Linear equation:
\n" );
document.write( "-3x-3y=3
\n" );
document.write( "y=-5x-17
\n" );
document.write( "--
\n" );
document.write( "My answer ended up being (-4,5), but my friend says the answer is (-4,3). We are both terribly confused ! When we check the equation both answers are correct.\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "-Thank you \n" );
document.write( "
Algebra.Com's Answer #434675 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! y=-5x-17 \n" ); document.write( "---- \n" ); document.write( "-3x-3y=3 \n" ); document.write( "-3x-3(-5x-17)=3 \n" ); document.write( "-3x+15x+51=3 \n" ); document.write( "12x=3-51 \n" ); document.write( "12x=-48 \n" ); document.write( "x=-4 \n" ); document.write( "------------- \n" ); document.write( "-3*-4-3y=3 \n" ); document.write( "12-3y=3 \n" ); document.write( "-3y=3-12 \n" ); document.write( "-3y=-9 \n" ); document.write( "y=3 \n" ); document.write( "-------------- \n" ); document.write( "(-4,3) \n" ); document.write( "--------------- \n" ); document.write( "3=5*-4-17 \n" ); document.write( "3=20-17 \n" ); document.write( "3=3 \n" ); document.write( "-------------- \n" ); document.write( "5=-5x-17 \n" ); document.write( "5+17=-5x \n" ); document.write( "22=-5x \n" ); document.write( "22/-5=x \n" ); document.write( "x=-4.4 \n" ); document.write( "Sorry, (-4,5) does not work \n" ); document.write( " |