how do you solve 9n+4=5n+18 and what is the answer

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19-08-2014
Mathematics

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how do you solve 9n+4=5n+18 and what is the answer

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Аноним Аноним · Answer 1 · 2014-08-19T01:25:49+02:00

Аноним Аноним

19-08-2014

[tex]9n+4=5n+18\ \ \ \ |subtract\ 4\ from\ both\ sides\\\\9n=5n+14\ \ \ \ \ |subtract\ 5n\ from\ both\ sides\\\\4n=14\ \ \ \ \ \ |divide\ both\ sides\ by\ 4\\\\n=\frac{14}{4}\\\\n=\frac{7}{2}\\\\\boxed{n=3\frac{1}{2}}[/tex]

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kate200468 kate200468 · Answer 2 · 2014-08-19T01:27:49+02:00

kate200468 kate200468

19-08-2014

[tex]9n+4=5n+18\\9n-5n=18-4\\4n=14\ /:4\\n=3.5\\\\Ans.\ n=3.5[/tex]

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