9(a+6)=18

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Solution for 9(a+6)=18 equation: 


Simplifying
9(a + 6) = 18

Reorder the terms:
9(6 + a) = 18
(6 * 9 + a * 9) = 18
(54 + 9a) = 18

Solving
54 + 9a = 18

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 + 9a = 18 + -54

Combine like terms: 54 + -54 = 0
0 + 9a = 18 + -54
9a = 18 + -54

Combine like terms: 18 + -54 = -36
9a = -36

Divide each side by '9'.
a = -4

Simplifying
a = -4

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