Posted by **abi** on Friday, March 23, 2007 at 5:09pm.

4x+3y=21

What is your question?

You have simply stated the equation of a straight line.

what is a prime factorazation?>

expressing a number in terms of its Prime factors

eg.

126 = 2*3*3*7

all the factors are prime numbers

How does this relate to the first problem you posted?

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