-7a-2a=0

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Solution for -7a-2a=0 equation: 


Simplifying
-7a + -2a = 0

Combine like terms: -7a + -2a = -9a
-9a = 0

Solving
-9a = 0

Solving for variable 'a'.

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

Divide each side by '-9'.
a = 0

Simplifying
a = 0

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