(2y-80)=(y+9)

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Solution for (2y-80)=(y+9) equation:


Simplifying
(2y + -80) = (y + 9)

Reorder the terms:
(-80 + 2y) = (y + 9)

Remove parenthesis around (-80 + 2y)
-80 + 2y = (y + 9)

Reorder the terms:
-80 + 2y = (9 + y)

Remove parenthesis around (9 + y)
-80 + 2y = 9 + y

Solving
-80 + 2y = 9 + 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.
-80 + 2y + -1y = 9 + y + -1y

Combine like terms: 2y + -1y = 1y
-80 + 1y = 9 + y + -1y

Combine like terms: y + -1y = 0
-80 + 1y = 9 + 0
-80 + 1y = 9

Add '80' to each side of the equation.
-80 + 80 + 1y = 9 + 80

Combine like terms: -80 + 80 = 0
0 + 1y = 9 + 80
1y = 9 + 80

Combine like terms: 9 + 80 = 89
1y = 89

Divide each side by '1'.
y = 89

Simplifying
y = 89

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