12.6=13.8-7y

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Solution for 12.6=13.8-7y equation: 


Simplifying
12.6 = 13.8 + -7y

Solving
12.6 = 13.8 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
12.6 + 7y = 13.8 + -7y + 7y

Combine like terms: -7y + 7y = 0
12.6 + 7y = 13.8 + 0
12.6 + 7y = 13.8

Add '-12.6' to each side of the equation.
12.6 + -12.6 + 7y = 13.8 + -12.6

Combine like terms: 12.6 + -12.6 = 0.0
0.0 + 7y = 13.8 + -12.6
7y = 13.8 + -12.6

Combine like terms: 13.8 + -12.6 = 1.2
7y = 1.2

Divide each side by '7'.
y = 0.1714285714

Simplifying
y = 0.1714285714

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