jdawso03 jdawso03

08-03-2015
Mathematics

Answered

What is 3.5x=130+10x

Answer :

Luke123456 Luke123456

08-03-2015

subtract 10 from both sides

-6.5x = 130 divide

-6.5 into 130

x = -20

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08-03-2015

[tex]3.5x=130+10x \ \ |\ subtract\ 10x\ to\ both\ sides \\\\3.5x-10x=130\\\\-6.5x=130\ \ | \ multiply\ both\ sides\ by\ (-10)\\\\65x=-1300\ \ | \ divide \ both \ sides\ by\ 65 \\\\x=-\frac{1300}{65}\\\\x=-20 [/tex]

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