-15-y=9

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Solution for -15-y=9 equation: 


Simplifying
-15 + -1y = 9

Solving
-15 + -1y = 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 + -1y = 9 + 15

Combine like terms: -15 + 15 = 0
0 + -1y = 9 + 15
-1y = 9 + 15

Combine like terms: 9 + 15 = 24
-1y = 24

Divide each side by '-1'.
y = -24

Simplifying
y = -24

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