Question

Make x the subject of the formula

Answer 1

y = sqrt((5x + 3)/(x-5))
y^2 = (5x+3)/(x-5)
(y^2) * (x-5) = 5x + 3
x*(y^2) - 5*(y^2) = 5x + 3
x*(y^2) - 5x = 3 + 5*(y^2)
x*((y^2) - 5) = 3 + 5*(y^2)
x = (3 + 5*(y^2)) / ((y^2) - 5)