Answer:
x=28
Step-by-step explanation:
degrees of a triangle is always 180
2x+3x=5x
5x - 10 + 50
5x + 40
180 - 40 = 140
5x = 140
140/5 = 28
J. 28.
Since there are 180 degrees in a triangle the sum of the 2 unknown angles = 180 - 50 = 130, so we have the equation:
2x + 3x - 10 = 130
x = 28.
