rearranging formula

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kaykay.wldn
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#1
Report Thread starter 2 years ago
#1
make r the subject t=r/r-3
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Thiexp53
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#2
Report 2 years ago
#2
t = r / r-3 * Multiply by r-3

t(r-3) = r * Expand brackets

tr - 3t = r * Add 3t (to get all r terms on the same side)

tr = r +3t * Subtract r (to get all r terms on the same side)

tr - r = 3t * Factorise to separate r

r(t - 1) = 3t * Divide by (t-1)

r = 3t / t-1

Hope this helps.
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