I do not understand what you want me to solve.
Answer:
That would be 0.87
Step-by-step explanation:
Is that the answer you wanted...?
Answer:
Could you please put this in english?
Step-by-step explanation:
So sorry I can't help
Answer:
-50
Step-by-step explanation:
Add 2 to both sides: 
Multiply both sides by 5: c = 5 * (-10) = -50.
Thus, the answer is -50.
Hope this helps!