4a-9a=

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Solution for 4a-9a= equation: 


Simplifying
4a + -9a = 0

Combine like terms: 4a + -9a = -5a
-5a = 0

Solving
-5a = 0

Solving for variable 'a'.

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

Divide each side by '-5'.
a = 0

Simplifying
a = 0

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