(a-9)=15

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Solution for (a-9)=15 equation: 


Simplifying
(a + -9) = 15

Reorder the terms:
(-9 + a) = 15

Remove parenthesis around (-9 + a)
-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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