11y-8y-9=21.21

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Solution for 11y-8y-9=21.21 equation:


Simplifying
11y + -8y + -9 = 21.21

Reorder the terms:
-9 + 11y + -8y = 21.21

Combine like terms: 11y + -8y = 3y
-9 + 3y = 21.21

Solving
-9 + 3y = 21.21

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 3y = 21.21 + 9

Combine like terms: -9 + 9 = 0
0 + 3y = 21.21 + 9
3y = 21.21 + 9

Combine like terms: 21.21 + 9 = 30.21
3y = 30.21

Divide each side by '3'.
y = 10.07

Simplifying
y = 10.07

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