document.write( "Question 57199: 6x+9+2x \n" ); document.write( "
Algebra.Com's Answer #38908 by funmath(2933)\"\" \"About 
You can put this solution on YOUR website!
You can only add and subtract like terms. 6x and 2x are like terms. 9 doesn't have an x, so 9 is not a like term:
\n" ); document.write( " 6x+9+2x
\n" ); document.write( "(6+2)x+9
\n" ); document.write( "8x+9
\n" ); document.write( "Happy Calculating!!!
\n" ); document.write( "
\n" );