3(a+4b)=

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Solution for 3(a+4b)= equation: 


Simplifying
3(a + 4b) = 0
(a * 3 + 4b * 3) = 0
(3a + 12b) = 0

Solving
3a + 12b = 0

Solving for variable 'a'.

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

Add '-12b' to each side of the equation.
3a + 12b + -12b = 0 + -12b

Combine like terms: 12b + -12b = 0
3a + 0 = 0 + -12b
3a = 0 + -12b
Remove the zero:
3a = -12b

Divide each side by '3'.
a = -4b

Simplifying
a = -4b

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