a. find x
b. is the triangle equilateral
PLEASE PLEASE I REALLY NEED HELP QUICKLY

Answer:
x=10
the triangle is equilateral
Step-by-step explanation:
3x+30=5x+10=2x+20
x+30=3x+10=20
x=3x-20=-20
-2x=-20=-20
x=10=10
x=10