9a-6=66

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Solution for 9a-6=66 equation: 


Simplifying
9a + -6 = 66

Reorder the terms:
-6 + 9a = 66

Solving
-6 + 9a = 66

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 9a = 66 + 6

Combine like terms: -6 + 6 = 0
0 + 9a = 66 + 6
9a = 66 + 6

Combine like terms: 66 + 6 = 72
9a = 72

Divide each side by '9'.
a = 8

Simplifying
a = 8

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