What is the value of x? enter your answer in the box.

We can Notice that the Angles in the Given Triangle ABC are Equal

The Given Triangle ABC is an Equilateral Triangle

We know that an Equilateral Triangle has Equal Sides

let us take any two sides

AC = BC

4x - 30 = 2x + 20

2x = 50

x = 25

Verification :

we got x = 25

AC = 4x - 30 = 4(25) - 30 = 100 - 30 = 70

BC = 2x + 20 = 2(25) + 20 = 50 + 20 = 70

AB = 3x - 5 = 3(25) - 5 = 75 - 5 = 70

We Got All sides Equal to 70

So, x = 25 is correct value