Question

-8(2m-3m)+4=15m-3(2m+9-5)

Answer 1

$\huge\mathbb\color{lime}{Refer\: Attachment}$

Answer 2

-8(2m-3m)+4=15m-3(2m+9-5)

Solving steps

First we solve the bracket's

$- 8( - 1m) + 4 = 15m - 3(2m + 4)$

$8m + 4 = 15m - 6m + 12$

$8m + 4 = 9m - 12 \\ \\ 8m - 9m = - 12 - 4 \\ \\ - m = - 16 = 16$

Hope it helps to u ✌️✌️