Answer:
The value of x is 10
Explanation:
Note that the sum of angles in a triangle is 180 degrees.
Using this, we have:
(4x + 2) + 75 + 63 = 180
4x + 2 + 75 + 63 = 180
4x + 140 = 180
Subtract 140 from both sides
4x + 140 - 140 = 180 - 140
4x = 40
Divide both sides by 4
x = 40/4 = 10
