Answer:
37
Step-by-step explanation:
all triangles have a total of 180 degrees
set up equation and solve
180=(2x+4)+(2x-9)+x
180=5x-5
185=5x
37=x
Answer:
It is not
Step-by-step explanation:
Because "Kira" lol is doing something like saying 1-3 = 2 which it doesn't you have to regroup in this case and you can't do what she did, though what she did with her whole numbers is correct
I hope this helps!