Question

$3.(4x - 5) = 9.x - 6$

Answer 1

12x - 15 = 9x - 6

12x - 9x = -6 + 15

3X= 9

X= 3

Resposta: x=3

Answer 2

$3(4x - 5) = 9x - 6\\4x-5 = (9x - 6)/3\\4x - 5 = 3x - 6\\4x - 3x = -6 +5\\x = -1$