y-12=3.5

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Solution for y-12=3.5 equation: 


Simplifying
y + -12 = 3.5

Reorder the terms:
-12 + y = 3.5

Solving
-12 + y = 3.5

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + y = 3.5 + 12

Combine like terms: -12 + 12 = 0
0 + y = 3.5 + 12
y = 3.5 + 12

Combine like terms: 3.5 + 12 = 15.5
y = 15.5

Simplifying
y = 15.5

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