9y-6y-6=15

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Solution for 9y-6y-6=15 equation: 


Simplifying
9y + -6y + -6 = 15

Reorder the terms:
-6 + 9y + -6y = 15

Combine like terms: 9y + -6y = 3y
-6 + 3y = 15

Solving
-6 + 3y = 15

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + 3y = 15 + 6

Combine like terms: -6 + 6 = 0
0 + 3y = 15 + 6
3y = 15 + 6

Combine like terms: 15 + 6 = 21
3y = 21

Divide each side by '3'.
y = 7

Simplifying
y = 7

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