-3=y-12

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Solution for -3=y-12 equation:


Simplifying
-3 = y + -12

Reorder the terms:
-3 = -12 + y

Solving
-3 = -12 + 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.
-3 + -1y = -12 + y + -1y

Combine like terms: y + -1y = 0
-3 + -1y = -12 + 0
-3 + -1y = -12

Add '3' to each side of the equation.
-3 + 3 + -1y = -12 + 3

Combine like terms: -3 + 3 = 0
0 + -1y = -12 + 3
-1y = -12 + 3

Combine like terms: -12 + 3 = -9
-1y = -9

Divide each side by '-1'.
y = 9

Simplifying
y = 9

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