Question

2x/-3 + x/2 = 1 A ) 6 B ) -6 C ) -3 D) 0

Answer 1

Oie, Td Bom?!

■ Resposta: Opção B.

2x/-3 + x/2 = 1

- 2x/3 + x/2 = 1

6(- 2x/3 + x/2) = 6 . 1

- 6 . 2x/3 + 6 . x/2 = 6

- 2 . 2x + 3x = 6

- 4x + 3x = 6

- x = 6 . (- 1)

x = - 6

Att. Makaveli1996