-15-3y=15

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Solution for -15-3y=15 equation: 


Simplifying
-15 + -3y = 15

Solving
-15 + -3y = 15

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 = 15 + 15

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

Combine like terms: 15 + 15 = 30
-3y = 30

Divide each side by '-3'.
y = -10

Simplifying
y = -10

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