document.write( "Question 81188: ( a + 4b) - (a + b)
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Algebra.Com's Answer #58216 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
:
\n" ); document.write( " $\"%28%28a%2B4b%29%29%2F3\"$ - $\"%28%28a%2Bb%29%29%2F3\"$
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\n" ); document.write( "Since they are over the same denominator, we can write them like this:
\n" ); document.write( " $\"%28%28a%2B4b%29+-+%28a%2Bb%29%29%2F3\"$
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\n" ); document.write( "Remove the brackets, a is eliminated, cancel 3:
\n" ); document.write( " $\"%28a+%2B+4b+-+a+-+b%29%2F3\"$ = $\"%284b+-+b%29%2F3\"$ = $\"%283b%29%2F3\"$ = b \n" ); document.write( "

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