Julio says, "If you subtract 19 from my number and multiply the difference by -6, the result is -30." What is Julio's number?

Respuesta :

the answer is 24

explanation:

x - 19 = y

-6y = -30
y = -30 ÷ -6 = 5

by substituting in the first equation
x -19 = y
x - 19 = 5
x = 5 + 19 = 24