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Which of the following expresses $6p+2py-4p$ in its simplest form?

(A) $2p+2py$

(B) $4py$

(C) $4p^3y$

(D) $10p+2py$

Im not really sure how to go about it...

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    $\begingroup$ That appears to be an addition symbol, $+$, not a division symbol $\div$ $\endgroup$ – JMoravitz Jul 29 '15 at 1:30
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Hint: Group like terms and simplify.

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Notice, $$6p+2py-4p$$$$=(6p-4p)+2py$$$$=2p+2py$$Hence, the option (A) is correct

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