-12+15y+6-12y=-39

Solution for -12+15y+6-12y=-39 equation:

Simplifying
-12 + 15y + 6 + -12y = -39

Reorder the terms:
-12 + 6 + 15y + -12y = -39

Combine like terms: -12 + 6 = -6
-6 + 15y + -12y = -39

Combine like terms: 15y + -12y = 3y
-6 + 3y = -39

Solving
-6 + 3y = -39

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 = -39 + 6

Combine like terms: -6 + 6 = 0
0 + 3y = -39 + 6
3y = -39 + 6

Combine like terms: -39 + 6 = -33
3y = -33

Divide each side by '3'.
y = -11

Simplifying
y = -11