12.7=y-3.4

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Solution for 12.7=y-3.4 equation: 


Simplifying
12.7 = y + -3.4

Reorder the terms:
12.7 = -3.4 + y

Solving
12.7 = -3.4 + 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.
12.7 + -1y = -3.4 + y + -1y

Combine like terms: y + -1y = 0
12.7 + -1y = -3.4 + 0
12.7 + -1y = -3.4

Add '-12.7' to each side of the equation.
12.7 + -12.7 + -1y = -3.4 + -12.7

Combine like terms: 12.7 + -12.7 = 0.0
0.0 + -1y = -3.4 + -12.7
-1y = -3.4 + -12.7

Combine like terms: -3.4 + -12.7 = -16.1
-1y = -16.1

Divide each side by '-1'.
y = 16.1

Simplifying
y = 16.1

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