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

Reorder the terms:
-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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