Question

6 x - 5 = 3(7х-4)+7 пж

Answer 1

$6x - 5 = 3(7x - 4) + 7$

$6x - 5 = 21x - 12 + 7$

$6x - 21x = 7 + 5 - 12$

$- 15x = 0$

$x = \frac{0}{ - 15}$

$x = 0$