6(a-9)=66

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Solution for 6(a-9)=66 equation: 


Simplifying
6(a + -9) = 66

Reorder the terms:
6(-9 + a) = 66
(-9 * 6 + a * 6) = 66
(-54 + 6a) = 66

Solving
-54 + 6a = 66

Solving for variable 'a'.

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

Add '54' to each side of the equation.
-54 + 54 + 6a = 66 + 54

Combine like terms: -54 + 54 = 0
0 + 6a = 66 + 54
6a = 66 + 54

Combine like terms: 66 + 54 = 120
6a = 120

Divide each side by '6'.
a = 20

Simplifying
a = 20

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