Respuesta :

Answer:

Step-by-step explanation:

Let the number = x

-2*x = 20 - 1/3 (x)         multiply the whole equation by 3

(-2x)*3 = 20*3 - 3(1/3)x

-6x = 60 - x                  Add x to both sides

-6x + x = 60                 Combine

-5x = 60                       Divide by -5

-5x/-5 =  60/-5

x = - 12