-7-7(2m-7)=7(6+m)

Solution for -7-7(2m-7)=7(6+m) equation:

-7-7(2m-7)=7(6+m)

We simplify the equation to the form, which is simple to understand 
-7-7(2m-7)=7(6+m)

Reorder the terms in parentheses
-7+(-14m+49)=7*(6+m)

Remove unnecessary parentheses
-7-14m+49=+7+*(+6+m+)

Reorder the terms in parentheses
-7-14m+49=+(+42+7m)

Remove unnecessary parentheses
-7-14m+49=+42+7m

We move all terms containing m to the left and all other terms to the right. 
-14m-7m=+42+7-49

We simplify left and right side of the equation. 
-21m=0

We divide both sides of the equation by -21 to get m. 
m=-0