7(3+m)-4m=

Solution for 7(3+m)-4m= equation:

Simplifying
7(3 + m) + -4m = 0
(3 * 7 + m * 7) + -4m = 0
(21 + 7m) + -4m = 0

Combine like terms: 7m + -4m = 3m
21 + 3m = 0

Solving
21 + 3m = 0

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + -21 + 3m = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 3m = 0 + -21
3m = 0 + -21

Combine like terms: 0 + -21 = -21
3m = -21

Divide each side by '3'.
m = -7

Simplifying
m = -7