Question

(Enem 2015) Esolvendo a equação 1/2 - x = 6 (1/3 - x) no conjunto R; obtemos a raiz

Answer 1

1/2-x=6/3-6x
1/2-x=2-6x
1-2x=4-12x
-2x+12x=4-1
10x=3
X=3/10

Resposta: 3/10