document.write( "Question 719602: is -9 the solution to -13-4=x-8? my answer is x=15 \n" ); document.write( "
Algebra.Com's Answer #441401 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
-13-4=x-8
\n" ); document.write( "-x=-8+13+4
\n" ); document.write( "-x=17-8
\n" ); document.write( "-x=9
\n" ); document.write( "x=-9 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "-13-4=-9-8
\n" ); document.write( "-17=-17
\n" ); document.write( "
\n" );