M-(M+6-4)=Y

Solution for M-(M+6-4)=Y equation:

Simplifying
M + -1(M + 6 + -4) = Y

Reorder the terms:
M + -1(6 + -4 + M) = Y

Combine like terms: 6 + -4 = 2
M + -1(2 + M) = Y
M + (2 * -1 + M * -1) = Y
M + (-2 + -1M) = Y

Reorder the terms:
-2 + M + -1M = Y

Combine like terms: M + -1M = 0
-2 + 0 = Y
-2 = Y

Solving
-2 = Y

Solving for variable 'Y'.

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

Add '-1Y' to each side of the equation.
-2 + -1Y = Y + -1Y

Combine like terms: Y + -1Y = 0
-2 + -1Y = 0

Add '2' to each side of the equation.
-2 + 2 + -1Y = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1Y = 0 + 2
-1Y = 0 + 2

Combine like terms: 0 + 2 = 2
-1Y = 2

Divide each side by '-1'.
Y = -2

Simplifying
Y = -2