document.write( "Question 1024674: Y=-2x-1
\n" ); document.write( "Y=3x+9 \n" ); document.write( "
Algebra.Com's Answer #640056 by macston(5194)\"\" \"About 
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\n" ); document.write( "-2x-1=3x+9
\n" ); document.write( "-10=5x
\n" ); document.write( "-2=x
\n" ); document.write( "ANSWER: x=-2
\n" ); document.write( ".
\n" ); document.write( "CHECK:
\n" ); document.write( "Y=-2x-1
\n" ); document.write( "Y=-2(-2)-1
\n" ); document.write( "Y=4-1=3
\n" ); document.write( "Y=3
\n" ); document.write( ".
\n" ); document.write( "Y=3x+9
\n" ); document.write( "Y=3(-2)+9
\n" ); document.write( "Y=-6+9=3
\n" ); document.write( "Y=3 \n" ); document.write( "
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