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2(u+3v)=w-5u, what is u in terms of v and w

asked Nov 8, 2015 70.1k views

2 votes

2(u+3v)=w-5u, what is u in terms of v and w

Mathematics
high-school

by Kriem

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2 Answers

3 votes

$2(u+3v)=w-5u\\\\ 2u+6v=w-5u\ \ \ |-6v\\\\ 2u=w-5u-6v\ \ \ \ |+5u\\\\ 2u+5u=w-6v\\\\ 7u=w-6v\ \ \ |:7\\\\ u=(w-6v)/(7)\\\\Asnwer\ is\ u=(w-6v)/(7).$

Robert Stewart answered Nov 10, 2015

by Robert Stewart

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3 votes

$2(u+3v)=w-5u \\\\2 u+6v =w-5u\\\\2u+5u=w-6v\\\\7u=w-6v \ \ :7 \\\\u=(w-6v)/(7)$

Jsmarkus answered Nov 13, 2015

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