(2y-9)-y=6

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Solution for (2y-9)-y=6 equation:


Simplifying
(2y + -9) + -1y = 6

Reorder the terms:
(-9 + 2y) + -1y = 6

Remove parenthesis around (-9 + 2y)
-9 + 2y + -1y = 6

Combine like terms: 2y + -1y = 1y
-9 + 1y = 6

Solving
-9 + 1y = 6

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 1y = 6 + 9

Combine like terms: -9 + 9 = 0
0 + 1y = 6 + 9
1y = 6 + 9

Combine like terms: 6 + 9 = 15
1y = 15

Divide each side by '1'.
y = 15

Simplifying
y = 15

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