-12-55=y

Solution for -12-55=y equation:

Simplifying
-12 + -55 = y

Combine like terms: -12 + -55 = -67
-67 = y

Solving
-67 = 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.
-67 + -1y = y + -1y

Combine like terms: y + -1y = 0
-67 + -1y = 0

Add '67' to each side of the equation.
-67 + 67 + -1y = 0 + 67

Combine like terms: -67 + 67 = 0
0 + -1y = 0 + 67
-1y = 0 + 67

Combine like terms: 0 + 67 = 67
-1y = 67

Divide each side by '-1'.
y = -67

Simplifying
y = -67