Answer
$t=-13$.
Work Step by Step
The given equation is
$\Rightarrow 2.6=-0.2t$
Divide each side by $-0.2$.
$\Rightarrow \frac{2.6}{-0.2}=\frac{-0.2t}{-0.2}$
Simplify.
$\Rightarrow -13=t$
Check:-
$\Rightarrow 2.6=-0.2(-13)$
$\Rightarrow 2.6=2.6$
True.
Hence, the solution is $t=-13$.
