7m+-2(3+-7m)=

Solution for 7m+-2(3+-7m)= equation:

Simplifying
7m + -2(3 + -7m) = 0
7m + (3 * -2 + -7m * -2) = 0
7m + (-6 + 14m) = 0

Reorder the terms:
-6 + 7m + 14m = 0

Combine like terms: 7m + 14m = 21m
-6 + 21m = 0

Solving
-6 + 21m = 0

Solving for variable 'm'.

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

Add '6' to each side of the equation.
-6 + 6 + 21m = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 21m = 0 + 6
21m = 0 + 6

Combine like terms: 0 + 6 = 6
21m = 6

Divide each side by '21'.
m = 0.2857142857

Simplifying
m = 0.2857142857