Respuesta :

Answer:

see explanation

Step-by-step explanation:

Given the solution as

- x = - 72 ( multiply both sides by - 1 )

x = 72 ← gives a positive solution

Answer:

Divide by -1

Step-by-step explanation:

- x = - 72

-x ÷ -1 = -72 ÷ -1 [Divide both sides by negative 1]

x = 72

(Multiplying or dividing a negative number by -1 will result in a positive number)