39-y=12

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Solution for 39-y=12 equation:


Simplifying
39 + -1y = 12

Solving
39 + -1y = 12

Solving for variable 'y'.

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

Add '-39' to each side of the equation.
39 + -39 + -1y = 12 + -39

Combine like terms: 39 + -39 = 0
0 + -1y = 12 + -39
-1y = 12 + -39

Combine like terms: 12 + -39 = -27
-1y = -27

Divide each side by '-1'.
y = 27

Simplifying
y = 27

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