-1-7m+3(-1+2m)=

Solution for -1-7m+3(-1+2m)= equation:

Simplifying
-1 + -7m + 3(-1 + 2m) = 0
-1 + -7m + (-1 * 3 + 2m * 3) = 0
-1 + -7m + (-3 + 6m) = 0

Reorder the terms:
-1 + -3 + -7m + 6m = 0

Combine like terms: -1 + -3 = -4
-4 + -7m + 6m = 0

Combine like terms: -7m + 6m = -1m
-4 + -1m = 0

Solving
-4 + -1m = 0

Solving for variable 'm'.

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

Add '4' to each side of the equation.
-4 + 4 + -1m = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1m = 0 + 4
-1m = 0 + 4

Combine like terms: 0 + 4 = 4
-1m = 4

Divide each side by '-1'.
m = -4

Simplifying
m = -4