11y+9=5y-21

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Solution for 11y+9=5y-21 equation:


Simplifying
11y + 9 = 5y + -21

Reorder the terms:
9 + 11y = 5y + -21

Reorder the terms:
9 + 11y = -21 + 5y

Solving
9 + 11y = -21 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
9 + 11y + -5y = -21 + 5y + -5y

Combine like terms: 11y + -5y = 6y
9 + 6y = -21 + 5y + -5y

Combine like terms: 5y + -5y = 0
9 + 6y = -21 + 0
9 + 6y = -21

Add '-9' to each side of the equation.
9 + -9 + 6y = -21 + -9

Combine like terms: 9 + -9 = 0
0 + 6y = -21 + -9
6y = -21 + -9

Combine like terms: -21 + -9 = -30
6y = -30

Divide each side by '6'.
y = -5

Simplifying
y = -5

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