3y-11=y+9

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


Simplifying
3y + -11 = y + 9

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

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

Solving
-11 + 3y = 9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-11 + 3y + -1y = 9 + y + -1y

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

Combine like terms: y + -1y = 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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