-15-3y=-9

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


Simplifying
-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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