document.write( "Question 615339: simplify the expression -(z-2)+4z \n" ); document.write( "
Algebra.Com's Answer #387098 by Maths68(1474)\"\" \"About 
You can put this solution on YOUR website!
=-(z-2)+4z
\n" ); document.write( "=-z+2+4z
\n" ); document.write( "=3z+2
\n" ); document.write( "
\n" );