y-11=3y+9

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


Simplifying
y + -11 = 3y + 9

Reorder the terms:
-11 + y = 3y + 9

Reorder the terms:
-11 + y = 9 + 3y

Solving
-11 + y = 9 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-11 + y + -3y = 9 + 3y + -3y

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

Combine like terms: 3y + -3y = 0
-11 + -2y = 9 + 0
-11 + -2y = 9

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 = 20
-2y = 20

Divide each side by '-2'.
y = -10

Simplifying
y = -10

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