Respuesta :

I think x is equal to 25
X is equal to 25.

Triangle ABC has 3 congruent angles, so it is an equilateral triangle. So the length of side AB is congruent to the length of side BC and is congruent to the length of side CA.

3x-5=2x+20=4x-30

I used 4x-30=3x-5
x-30=-5
x=25