80-y=12y

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Solution for 80-y=12y equation:


Simplifying
80 + -1y = 12y

Solving
80 + -1y = 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
80 + -1y + -12y = 12y + -12y

Combine like terms: -1y + -12y = -13y
80 + -13y = 12y + -12y

Combine like terms: 12y + -12y = 0
80 + -13y = 0

Add '-80' to each side of the equation.
80 + -80 + -13y = 0 + -80

Combine like terms: 80 + -80 = 0
0 + -13y = 0 + -80
-13y = 0 + -80

Combine like terms: 0 + -80 = -80
-13y = -80

Divide each side by '-13'.
y = 6.153846154

Simplifying
y = 6.153846154

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