12.2=y-3.5

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Solution for 12.2=y-3.5 equation: 


Simplifying
12.2 = y + -3.5

Reorder the terms:
12.2 = -3.5 + y

Solving
12.2 = -3.5 + 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.
12.2 + -1y = -3.5 + y + -1y

Combine like terms: y + -1y = 0
12.2 + -1y = -3.5 + 0
12.2 + -1y = -3.5

Add '-12.2' to each side of the equation.
12.2 + -12.2 + -1y = -3.5 + -12.2

Combine like terms: 12.2 + -12.2 = 0.0
0.0 + -1y = -3.5 + -12.2
-1y = -3.5 + -12.2

Combine like terms: -3.5 + -12.2 = -15.7
-1y = -15.7

Divide each side by '-1'.
y = 15.7

Simplifying
y = 15.7

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