Rearrange the following to make 'W' the subject: aw + 3 = 4(bw + 5)
aw + 3 = 4(bw + 5) Let's get rid of those brackets...
aw + 3 = 4bw + 20 Now we rearrange...
aw - 4bw = 17 Factorise...
w(a - 4b) = 17 Final rearrange...
w = 17 / (a - 4b) Done.
JM
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