X= 2 is the axis of symmetry
Answer:
-11
Step-by-step explanation:
3x+10=2x-1
3x-2x+10=-1
x+10=-1
x=-1-10
x=-11
You might want to see what other people say but I think that it is 40
13 is a prime number because you can't multiply 2 numbers to make 13
