Question

Make x the subject of the relation x/s-1+t/r+1=1​

Answer 1

s - 1 - t(s - 1)/(r + 1)

Explanation:

x/(s - 1) + t/(r + 1) = 1

x/(s - 1) = 1 - t/(r + 1)

x = s - 1 - t(s - 1)/(r + 1)