Discuss PGroot's answer to: Math final

What is 1/4 (W-6) = 6

PGroot
PGroot Answered:

It's easier if you start by multiplying by 4 to get w-6 = 24

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John McCann
John McCann Thinks this answer is Helpful:

True, but I see distribution and I distribute!
 
PGroot
PGroot

If you need to have an expression with w and not 1/4 w, it's easier to multiply first.  And it avoids fractions.
 
John McCann
John McCann Thinks this answer is Helpful:

I know, but manipulating fractions of that nature in your head has value in and of itself. I am thinking college algebra, or calculus II.
 
John McCann
John McCann Thinks this answer is Helpful:

Anyway, we mediocre mathematicians need some excuse when we do not see the, shall we say, efficient way!
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