Question 1147660
x + x + 17 + x - 38 = 180
combine like terms to get:
3x - 21 = 180
add 21 to both sides to get:
3x = 201
solve for x to get:
x = 67
you get:
x = 67
x + 17 = 84
x - 38 = 29
x + x + 17 + x - 38 = 67 + 84 + 29 = 180
each angle measures:
67, 84, 29 degrees.
that's your solution.