Answer:
-8 +12y
Step-by-step explanation:
a positive times a negative is negative so it stays the same
im gonna guess that the problem is 2x+13-9y, the answer is 38
In triangle ABC, <A + <B +<C = 180
plug in
3x + 7 + 2x - 8 + 5 - x = 180
4x + 4 = 180
4x = 176
x = 44
Answer
i believe it would be a triangle