-031t+(7,6-13)=-5+7,6-5,31t

Question

-031t+(7,6-13)=-5+7,6-5,31t

Answer 1

-031t+(7,6-13)=-5+7,6-5,31t
-0,31t+7,6-13=-5+7,6-5,31t
-0,31t+5,31t=5+7,6-7,6+13
5,62t=18
t=18÷5,62
t=3,2