When you are asked to solve an equation, you need to isolate the variable which is t in this case. To isolate t, you would divide both sides by -5 and be left with t=-6 which is the final answer.
I hope this helps.
Answer:

Step-by-step explanation:
To evaluate
from the following expression:

Taking 


∴ 
Answer:
1.-
2.-2x
Step-by-step explanation:
Answer:
i think it is 6 but not sure
Step-by-step explanation: