Question

Quanto é. -2(x-3)=18 ?

Answer 1

-2x + 6 = 18
-2x = 18-6
-2x = 12
x = 12/-2
x = -6

Answer 2

- 2(x - 3) = 18

- 2 • x + ( - 2) • ( - 3) = 18

- 2x + 6 = 18

- 2x = 18 - 6

- 2x = 12

x= 12/-2

x= - 6