Question

Cual es el valor de x, si 3(4x -1) = 9x -6

Answer 1

3(4x-1)=9x-6

12x-3=9x-6

12x-9x=3

3x=3

x=3

Answer 2

$3(4x - 1) = 9x - 6 \\ 12x - 3 = 9x - 6 \\ 12x - 9x = - 6 + 3 \\ 3x = - 3 \\ x = - 3 \div 3 \\ x = - 1$