What is the value of x?
x = 55°
x = 60°
x = 70°
x = 110°

Answer:
x = 55°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
∠BAC = ∠BCA = x, thus
2x + 70 = 180 ( subtract 70 from both sides )
2x = 110 ( divide both sides by 2 )
x = 55°