9(y-1)=11-y

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Solution for 9(y-1)=11-y equation:


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

Reorder the terms:
9(-1 + y) = 11 + -1y
(-1 * 9 + y * 9) = 11 + -1y
(-9 + 9y) = 11 + -1y

Solving
-9 + 9y = 11 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
-9 + 9y + y = 11 + -1y + y

Combine like terms: 9y + y = 10y
-9 + 10y = 11 + -1y + y

Combine like terms: -1y + y = 0
-9 + 10y = 11 + 0
-9 + 10y = 11

Add '9' to each side of the equation.
-9 + 9 + 10y = 11 + 9

Combine like terms: -9 + 9 = 0
0 + 10y = 11 + 9
10y = 11 + 9

Combine like terms: 11 + 9 = 20
10y = 20

Divide each side by '10'.
y = 2

Simplifying
y = 2

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