9a-4+a=

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Solution for 9a-4+a= equation: 


Simplifying
9a + -4 + a = 0

Reorder the terms:
-4 + 9a + a = 0

Combine like terms: 9a + a = 10a
-4 + 10a = 0

Solving
-4 + 10a = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 10a = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 10a = 0 + 4
10a = 0 + 4

Combine like terms: 0 + 4 = 4
10a = 4

Divide each side by '10'.
a = 0.4

Simplifying
a = 0.4

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