Cazjen
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#1
Report Thread starter 3 years ago
#1
Hi
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3pointonefour
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#2
Report 3 years ago
#2
(Original post by Cazjen)
I’ve got a question saying: make t the subject of the formula t=r/r-3

Any help?
But t is already the subject of the formula since it's by itself on the left side
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Cazjen
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#3
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#3
(Original post by 3pointonefour)
But t is already the subject of the formula since it's by itself on the left side
I changed it thanks, I didn’t realise
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Official-21
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#4
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#4
1. Multiply (r-3)(t)=tr-3t=r
then bring r to the right hand side and take 3t to the other side
tr-r=3t
factorise the r
r(t-1)=3t
r= 3t/t-1
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Mehru1214
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#5
Report 3 years ago
#5
(Original post by Cazjen)
I’ve got a question saying: make r the subject of the formula t=r/r-3

Any help?
Multiply both sides by r - 3, isolate both r terms on one side, then factorise, and divide to make r the subject.
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