Answer:love your self
Step-by-step explanation:
You are implying that 2x- 9=31
Add 9:
2x=40
Divided by :2
x=20
therefore I thing the number is 20
Answer:
50.19
Step-by-step explanation:
quick mafs hun <3
Answer:
90
Step-by-step explanation:
interior angles of all triangles add up to 180 degrees
180=x+5+x-5+2x
180=4x
45=x
plug back in to find largest angle
2 (45) = 90