8-2y-11=y+21+9y

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Solution for 8-2y-11=y+21+9y equation:


Simplifying
8 + -2y + -11 = y + 21 + 9y

Reorder the terms:
8 + -11 + -2y = y + 21 + 9y

Combine like terms: 8 + -11 = -3
-3 + -2y = y + 21 + 9y

Reorder the terms:
-3 + -2y = 21 + y + 9y

Combine like terms: y + 9y = 10y
-3 + -2y = 21 + 10y

Solving
-3 + -2y = 21 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
-3 + -2y + -10y = 21 + 10y + -10y

Combine like terms: -2y + -10y = -12y
-3 + -12y = 21 + 10y + -10y

Combine like terms: 10y + -10y = 0
-3 + -12y = 21 + 0
-3 + -12y = 21

Add '3' to each side of the equation.
-3 + 3 + -12y = 21 + 3

Combine like terms: -3 + 3 = 0
0 + -12y = 21 + 3
-12y = 21 + 3

Combine like terms: 21 + 3 = 24
-12y = 24

Divide each side by '-12'.
y = -2

Simplifying
y = -2

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