9a+4a=8a

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Solution for 9a+4a=8a equation: 


Simplifying
9a + 4a = 8a

Combine like terms: 9a + 4a = 13a
13a = 8a

Solving
13a = 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
13a + -8a = 8a + -8a

Combine like terms: 13a + -8a = 5a
5a = 8a + -8a

Combine like terms: 8a + -8a = 0
5a = 0

Divide each side by '5'.
a = 0

Simplifying
a = 0

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