-12-3=y

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Solution for -12-3=y equation:


Simplifying
-12 + -3 = y

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

Solving
-15 = 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.
-15 + -1y = y + -1y

Combine like terms: y + -1y = 0
-15 + -1y = 0

Add '15' to each side of the equation.
-15 + 15 + -1y = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -1y = 0 + 15
-1y = 0 + 15

Combine like terms: 0 + 15 = 15
-1y = 15

Divide each side by '-1'.
y = -15

Simplifying
y = -15

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