Answer Save 2 Answers Relevance Kathleen K Lv 7 1 decade ago Favorite Answer Distribute, then gather any term with an x on one side of the equation and everything else on the other side ax ac = bx bc ac bc = bx ax Lemma If $a = bqr$, then $\gcd(a,b) = \gcd(b,r)$ Things you should know already Before you can be comfortable with the proof at the end of this article, you should Related General Math News on Physorg New tool can help predict the next financial bubble;
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