5-1/3x=-11. what does x equal. sos

x=18

hope this helped!

    The  Answer is 18. To double check take out the X and put in 18. You will get -11.

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.