3-y-4=3-2y

Solution for 3-y-4=3-2y equation:

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

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

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

Solving
-1 + -1y = 3 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
-1 + -1y + 2y = 3 + -2y + 2y

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

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

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