Answer:

Step-by-step explanation:
The equation is

Solve for x
we know that

substitute

so

7/8 × c ⇒ substitute ⇒ turn 8 into a fraction
7 8 56
___ × ___ = _____ = 7
8 1 8
Your answer is 7
The domain of 13/x - 11 is all real numbers except x cannot equal zero
I guess it s 30 irdk
hope tis helps :D