Question

Make x the subject a=7x/k-r

Answer 1

x =
`(a(k-r))/(7)`

Explanation:

Given

a =
`(7x)/(k-r)` ( multiply both sides by (k - r) )

a(k - r) = 7x ( divide both sides by 7 )

`(a(k-r))/(7)` = x