3(2a+4)=9

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Solution for 3(2a+4)=9 equation: 


Simplifying
3(2a + 4) = 9

Reorder the terms:
3(4 + 2a) = 9
(4 * 3 + 2a * 3) = 9
(12 + 6a) = 9

Solving
12 + 6a = 9

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 6a = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 6a = 9 + -12
6a = 9 + -12

Combine like terms: 9 + -12 = -3
6a = -3

Divide each side by '6'.
a = -0.5

Simplifying
a = -0.5

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