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5(wx-v)=9(x+v) make x the subject

5(wx-v)=9(x+v) make x the subject
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4 votes
5(wx-v)=9(x+v)
make x the subject

User Thomas Berger
by
8.2k points

2 Answers

3 votes

5(wx-v)=9(x+v)\\ 5wx-5v=9x+9v\\ 5wx-9x=14v\\ x(5w-9)=14v\\ x=(14v)/(5w-9)
User Eric Freese
by
8.3k points
7 votes
expand the brackets first
5(wx-v) = 9(x + v)
5wx - 5v = 9x + 9v

Get all x's on one side and everything on on the other side
9x - 5wx = 9v + 5v

factorise out the x
x(9-5w) = 14v

then divide by 9-5w
x = 14v/(9-5w)


User Henrik Carlqvist
by
8.2k points
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