a+9=-15

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Solution for a+9=-15 equation: 


Simplifying
a + 9 = -15

Reorder the terms:
9 + a = -15

Solving
9 + a = -15

Solving for variable 'a'.

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

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

Combine like terms: 9 + -9 = 0
0 + a = -15 + -9
a = -15 + -9

Combine like terms: -15 + -9 = -24
a = -24

Simplifying
a = -24

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