n=9
step-by-step explanation:
7 times a number = 7n
decreased by 13 = 7n-13
same as is =
5 times the number = 5n
increased by 5 = 5n+5
7n-13 = 5n+5
2n=18
so what is the problem what are they asking you to solve
a: inscribed angles
i reviewed this question with a peer and teacher, seems to be correct, me later