Question

-x=-20 решите уравнение​

Answer 1

-x=-20
-1·(-x)=-1·(-20)
x=20

Answer 2

To solve the equation -x = -20, we need to isolate the variable x. We can do this by multiplying both sides of the equation by -1.

Let's perform the steps:

-x = -20

Multiply both sides by -1:

(-1)(-x) = (-1)(-20)

Simplifying the equation:

x = 20

Therefore, the solution to the equation -x = -20 is x = 20.