document.write( "Question 7676: How do you simplify expressions? Example 8x - 4y + 3x \n" ); document.write( "
Algebra.Com's Answer #4232 by glabow(165)\"\" \"About 
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Simplifying means doing as much of the arithmetic as possible.
\n" ); document.write( "in 8x - 4y + 3x you can't do the subtraction of 8x - 4y since x's and y's are different. But look at 8x + 3x. You can factor x to get x(8+3) which is x(11). We normally write this as 11x.
\n" ); document.write( "So 11x - 4y is a simple as this express can get.
\n" ); document.write( "One of the best equations to know for simplification is
\n" ); document.write( "a (b + c) = ab + ac [this is the distributive rule]
\n" ); document.write( "Do you see how it was used with 8x + 3x?
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