Answer:
c
Step-by-step explanation:
7x-5=5x+23
7x-5x=23+5
2x=28
x=28/2
x=14
-8.70833333333 about but you can round to the nearest tenth (-8.7) or nearest whole number (-9)
Answer:
900
Step-by-step explanation:
Sum of interior angle for a polygon = (n-2)180
7 sides
=(7-2)180
=5*180
=900