Use this problem as a distributive property
asked Dec 1, 2014 in Other Math Topics by anonymous

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The distributive property allows you to multiply what's just outside the brackets or parentheses by each of the quantities inside. You need to remember that - outside changes + to - and - to plus. - by itself outside means -1 and it just changes the inside signs.
So we open the brackets: -x-13-4x=-15+27x+2.
Add 13 to each side and we get -5x=27x. Since -5 doesn't equal 27 x must be zero. Note that we can't divide each side by x because x=0 and you can't divide by zero.
answered Dec 2, 2014 by Rod Top Rated User (486,860 points)

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