Question

t =

Answer 1

I would say B since
\[
t + 5 = 18 \quad \implies \quad t = 18 - 5 \quad \implies \quad t = 13 \\
\]
But for C:
\[
18 - t = 5 \quad \implies \quad -t = 5 - 18 \quad \implies -t = -13 \quad \implies \\
\implies t = 13
\]
And we need another step in C..

Answer 2

so should i do B?

Answer 3

Both B and C are somewhat correct. but B is more straight forward. That's why it "describes it the best". So ye..

Answer 4

ah okay thanks.

Answer 5

sure np