It reveals the slope and a single point on the line
that is the sum of the interior angles of a triangle,or the 3 sided polygons
Answer:
ans x=4
Step-by-step explanation:
- 5x + 7 = -13
- 5x = -13 -7
- 5x= -20
- x = -20/5
- x = -4
- so the answer is x= -4
First one is 13. Second is 9. Third is 5. Fourth is 1.
