Question 502431
Given that {{{y = (a)/(a-x)}}}, then find:
i) the value of {{{y}}} when {{{a = 1/4}}} and {{{x = 3/16}}}
y = (1/4)/(1/4 - 3/16) = (1/4)/(1/16)
y = 4
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ii) x in terms of {{{a}}} and {{{y}}}
{{{y = (a)/(a-x)}}}
y*(a-x) = a
ay - xy = a
xy = ay - a
x = a - (a/y)