Six less then two thirds of a number is negative ten. find the number

Lets say the number = x
the equation is:

2/3 x - 6 = -10  (add 6 to each side)

2/3 x - 6 + 6 = -10 + 6

2/3 x = -4  (multiply each side by 2/3 's reciprocal or 3/2)



x = 

x = -6

The number is -6