9a-18=0

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Solution for 9a-18=0 equation: 


Simplifying
9a + -18 = 0

Reorder the terms:
-18 + 9a = 0

Solving
-18 + 9a = 0

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + 9a = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 9a = 0 + 18
9a = 0 + 18

Combine like terms: 0 + 18 = 18
9a = 18

Divide each side by '9'.
a = 2

Simplifying
a = 2

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