Can u find x and identify the triangle, this will really help out thx

x=12

Isosceles triangle

Step-by-step explanation:

The lines on the sides means that the two sides are equal. Two equal sides means that it is an isosceles triangle.  The angles at the base must be equal

35 = x+12

Subtract 12 from each side

35-12 = x+12-12

23 = x

idk

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!