document.write( "Question 328872: 16+8r-4r+4=24\r
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Algebra.Com's Answer #235627 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"16%2B8r-4r%2B4=24\"$
\n" ); document.write( " $\"%288r-4r%29%2B%2816%2B4%29=24\"$ <--- Gather like terms, then simplify
\n" ); document.write( " $\"4r%2B20=24\"$
\n" ); document.write( " $\"4r%2B20-20=24-20\"$ <--- Subtract 20 from both sides.
\n" ); document.write( " $\"4r=4\"$
\n" ); document.write( " $\"%284r%29%2F4=4%2F4\"$ <--- Divide both sides by 4.
\n" ); document.write( " $\"%284%2F4%29r=1\"$ <--- Simplify
\n" ); document.write( " $\"r=1\"$ \n" ); document.write( "

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