x = yz + y


The answer sheet says the answer is:


y = x / z + 1


I have followed the rules of doing the same to both sides etc but cannot get to this answer or work out where the 1 has come.


Please help.

Walthamx  Jan 28, 2018

x = yz + y


Make y the subject.....note that the right side can be factored as


x  = y (z + 1)       now....divide both sides by (z + 1)   and we have that


x / ( z + 1)   =  y



cool cool cool

CPhill  Jan 28, 2018

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