Answer:
x = 31
Explanation:
All of the angles in a triangle equal 180 degrees.
There is a 90 degree angle, and two unknown angles.
Your equation would be 90 + 2x - 2 + x + 5 = 180.
Combine like terms: 3x + 87 = 180.
Subtract 87: 3x = 93.
Divide 93 by 3 to cancel out x, and you get x = 31.