-15-9a=39

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Solution for -15-9a=39 equation: 


Simplifying
-15 + -9a = 39

Solving
-15 + -9a = 39

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + -9a = 39 + 15

Combine like terms: -15 + 15 = 0
0 + -9a = 39 + 15
-9a = 39 + 15

Combine like terms: 39 + 15 = 54
-9a = 54

Divide each side by '-9'.
a = -6

Simplifying
a = -6

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