-3(a+3)=

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


Simplifying
-3(a + 3) = 0

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

Solving
-9 + -3a = 0

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 + -3a = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -3a = 0 + 9
-3a = 0 + 9

Combine like terms: 0 + 9 = 9
-3a = 9

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

Simplifying
a = -3

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