3(a+9)=

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Solution for 3(a+9)= equation: 


Simplifying
3(a + 9) = 0

Reorder the terms:
3(9 + a) = 0
(9 * 3 + a * 3) = 0
(27 + 3a) = 0

Solving
27 + 3a = 0

Solving for variable 'a'.

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

Add '-27' to each side of the equation.
27 + -27 + 3a = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 3a = 0 + -27
3a = 0 + -27

Combine like terms: 0 + -27 = -27
3a = -27

Divide each side by '3'.
a = -9

Simplifying
a = -9

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