-3(y+1)-(-2y-4)=-3

Solution for -3(y+1)-(-2y-4)=-3 equation:

Simplifying
-3(y + 1) + -1(-2y + -4) = -3

Reorder the terms:
-3(1 + y) + -1(-2y + -4) = -3
(1 * -3 + y * -3) + -1(-2y + -4) = -3
(-3 + -3y) + -1(-2y + -4) = -3

Reorder the terms:
-3 + -3y + -1(-4 + -2y) = -3
-3 + -3y + (-4 * -1 + -2y * -1) = -3
-3 + -3y + (4 + 2y) = -3

Reorder the terms:
-3 + 4 + -3y + 2y = -3

Combine like terms: -3 + 4 = 1
1 + -3y + 2y = -3

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

Solving
1 + -1y = -3

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + -1y = -3 + -1

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

Combine like terms: -3 + -1 = -4
-1y = -4

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

Simplifying
y = 4