Final answer:
To find the possible values of x in an isosceles triangle, we set up an equation by using the fact that the sum of the angles of a triangle is always 180 degrees. Solving the equation, we find that x = 40.
Step-by-step explanation:
To find the possible values of x, we need to use the fact that the sum of the angles of a triangle is always 180 degrees. In an isosceles triangle, the base angles are equal. So, we can set up an equation:
3x + 4 + x + 16 = 180
Combining like terms, we get:
4x + 20 = 180
Subtracting 20 from both sides, we get:
4x = 160
Dividing both sides by 4, we get:
x = 40
Therefore, the possible value of x is 40.