3(3a-3)=18

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Solution for 3(3a-3)=18 equation: 


Simplifying
3(3a + -3) = 18

Reorder the terms:
3(-3 + 3a) = 18
(-3 * 3 + 3a * 3) = 18
(-9 + 9a) = 18

Solving
-9 + 9a = 18

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 = 18 + 9

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

Combine like terms: 18 + 9 = 27
9a = 27

Divide each side by '9'.
a = 3

Simplifying
a = 3

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