15-6y+3y=9

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Solution for 15-6y+3y=9 equation: 


Simplifying
15 + -6y + 3y = 9

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

Solving
15 + -3y = 9

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -3y = 9 + -15

Combine like terms: 15 + -15 = 0
0 + -3y = 9 + -15
-3y = 9 + -15

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

Divide each side by '-3'.
y = 2

Simplifying
y = 2

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