3 is odd
So by the question he will lose 10 times the number that comes up
3*10=-30
All angled are congruent correct answer or at least the way is see wish u luck :)
Answer:
The solution is 
Step-by-step explanation:
we have
----> equation A
-----> equation B
Multiply the equation B by 2 both sides

-----> equation C
Adds equation A and equation C

Find the value of y
substitute the value of x in the equation A