How is the sentence "9 is less than x is - 1" written as an equation

A. 9 - x = - 1

B. x - 9 = - 1

C. x - 9 = 1

D. x - 1 = 9

Must not have more than ONE "=" sign in an equation like this one.

9 is less than x is - 1

I will take the liberty of deleting the first "is" and then write out the expression:

9 less than x is - 1, or x-9 = - 1

Add 9 to both sides to determine the value of x: x = 8 (answer)