Answer:
[tex]t = \frac{q}{ {r}^{2} } - s[/tex]
Step-by-step explanation:
[tex]q = {r}^{2} (s + t) \\ \frac{q}{ {r}^{2} } = \frac{ {r}^{2} (s + t)}{ {r}^{2} } \\ \frac{q}{ {r}^{2} } = s + t \\ \frac{q}{ {r}^{2} } - s = t \\ \\ so \\ t = \frac{q}{ {r}^{2} } - s[/tex]
Hope this helps you.
Let me know if you have any other questions :-):-)
