Question

solve for t in terms of s and u.
u = s + t
t =

Explanation:

Step1: Isolate t by subtracting s

Subtract $s$ from both sides of the equation.
$u - s = s + t - s$

Step2: Simplify the right-hand side

The $s$ terms cancel out on the right.
$u - s = t$

Answer:

$u - s$