-3-(m+2)+3m=-10

Solution for -3-(m+2)+3m=-10 equation:

Simplifying
-3 + -1(m + 2) + 3m = -10

Reorder the terms:
-3 + -1(2 + m) + 3m = -10
-3 + (2 * -1 + m * -1) + 3m = -10
-3 + (-2 + -1m) + 3m = -10

Combine like terms: -3 + -2 = -5
-5 + -1m + 3m = -10

Combine like terms: -1m + 3m = 2m
-5 + 2m = -10

Solving
-5 + 2m = -10

Solving for variable 'm'.

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

Add '5' to each side of the equation.
-5 + 5 + 2m = -10 + 5

Combine like terms: -5 + 5 = 0
0 + 2m = -10 + 5
2m = -10 + 5

Combine like terms: -10 + 5 = -5
2m = -5

Divide each side by '2'.
m = -2.5

Simplifying
m = -2.5