(11-y)+3y=9

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Solution for (11-y)+3y=9 equation:


Simplifying
(11 + -1y) + 3y = 9

Remove parenthesis around (11 + -1y)
11 + -1y + 3y = 9

Combine like terms: -1y + 3y = 2y
11 + 2y = 9

Solving
11 + 2y = 9

Solving for variable 'y'.

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

Add '-11' to each side of the equation.
11 + -11 + 2y = 9 + -11

Combine like terms: 11 + -11 = 0
0 + 2y = 9 + -11
2y = 9 + -11

Combine like terms: 9 + -11 = -2
2y = -2

Divide each side by '2'.
y = -1

Simplifying
y = -1

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