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avanturin [10]
3 years ago
12

What is 3.5x=130+10x

Mathematics
2 answers:
Shalnov [3]3 years ago
6 0

subtract 10 from both sides

-6.5x = 130 divide

 -6.5 into 130

<span>x = -20

</span>

steposvetlana [31]3 years ago
4 0
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
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