-3(9+4a)=

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Solution for -3(9+4a)= equation: 


Simplifying
-3(9 + 4a) = 0
(9 * -3 + 4a * -3) = 0
(-27 + -12a) = 0

Solving
-27 + -12a = 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 + -12a = 0 + 27

Combine like terms: -27 + 27 = 0
0 + -12a = 0 + 27
-12a = 0 + 27

Combine like terms: 0 + 27 = 27
-12a = 27

Divide each side by '-12'.
a = -2.25

Simplifying
a = -2.25

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