4-(6+(2m-9))=y

Solution for 4-(6+(2m-9))=y equation:

Simplifying
4 + -1(6 + (2m + -9)) = y

Reorder the terms:
4 + -1(6 + (-9 + 2m)) = y

Remove parenthesis around (-9 + 2m)
4 + -1(6 + -9 + 2m) = y

Combine like terms: 6 + -9 = -3
4 + -1(-3 + 2m) = y
4 + (-3 * -1 + 2m * -1) = y
4 + (3 + -2m) = y

Combine like terms: 4 + 3 = 7
7 + -2m = y

Solving
7 + -2m = y

Solving for variable 'm'.

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

Add '-7' to each side of the equation.
7 + -7 + -2m = -7 + y

Combine like terms: 7 + -7 = 0
0 + -2m = -7 + y
-2m = -7 + y

Divide each side by '-2'.
m = 3.5 + -0.5y

Simplifying
m = 3.5 + -0.5y