Answer:
Scalene
Step-by-step explanation:
Because all triangular angles add up to 180 degrees.
10+20=30
180-30=150
None of those angles are the same.
hon you never asked a question or added an image. id be happy to try and help if you do!
x + 1 = -x + (-5)
2x + 1 = -5
2x = -6
x = -3
