document.write( "Question 207995: solve the system of equations using the substution method
\n" );
document.write( "-5x-y=18
\n" );
document.write( "x+2=9
\n" );
document.write( "solution(?,?) \n" );
document.write( "
Algebra.Com's Answer #157321 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! x=7 \n" ); document.write( "-5x-y=18 \n" ); document.write( "-5(7)-y=18 \n" ); document.write( "-35-y=18 \n" ); document.write( "y=-53 \n" ); document.write( "------------ \n" ); document.write( "(7,-53) \n" ); document.write( "should the problem be x+2y=9?? \n" ); document.write( " |