-y-2(y+3)=0

Solution for -y-2(y+3)=0 equation:

Simplifying
-1y + -2(y + 3) = 0

Reorder the terms:
-1y + -2(3 + y) = 0
-1y + (3 * -2 + y * -2) = 0
-1y + (-6 + -2y) = 0

Reorder the terms:
-6 + -1y + -2y = 0

Combine like terms: -1y + -2y = -3y
-6 + -3y = 0

Solving
-6 + -3y = 0

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + -3y = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -3y = 0 + 6
-3y = 0 + 6

Combine like terms: 0 + 6 = 6
-3y = 6

Divide each side by '-3'.
y = -2

Simplifying
y = -2