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)\"\" \"About 
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( "
\n" );