9-9a=

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Solution for 9-9a= equation:


Simplifying
9 + -9a = 0

Solving
9 + -9a = 0

Solving for variable 'a'.

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

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

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

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

Divide each side by '-9'.
a = 1

Simplifying
a = 1

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