Question

qual a raiz da equacão -2(x-3)=18?

Answer 1

-2(x-3)=18?-2x + 6 = 18
-2x = 18 -6
-2x = 12
  x = -6

Answer 2

-2(x-3)=18
-2x+6=18
-2x=12
x=12/-2
x=-6
Raiz:-6