12y-15=-123

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Solution for 12y-15=-123 equation: 


Simplifying
12y + -15 = -123

Reorder the terms:
-15 + 12y = -123

Solving
-15 + 12y = -123

Solving for variable 'y'.

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

Add '15' to each side of the equation.
-15 + 15 + 12y = -123 + 15

Combine like terms: -15 + 15 = 0
0 + 12y = -123 + 15
12y = -123 + 15

Combine like terms: -123 + 15 = -108
12y = -108

Divide each side by '12'.
y = -9

Simplifying
y = -9

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