Question

R(s+t)=u

options:


t=u−s/r



t=u/r−s



t=u/r+s



t=ru−s

Answer 1

t = u/r -s

Explanation:

r(s+t)=u

Divide each side by r

r/r(s+t)=u/r

s+t = u/r

Subtract s from each side

s+t-s = u/r -s

t = u/r -s