Question

resolva equacao (×-2)-(×+4)+2(×-3)-6=0

Answer 1

Olá Karla,

(x - 2) - (x + 4) + 2 (x - 3) - 6 = 0
x - 2 - x - 4 + 2x - 6 - 6 = 0
x - x + 2x = 6 + 6 + 4 + 2 
2x = 18 
x= 18/2
x=9.

Espero ter ajudado!