4(a+3b)=

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


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

Solving
4a + 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.
4a + 12b + -12b = 0 + -12b

Combine like terms: 12b + -12b = 0
4a + 0 = 0 + -12b
4a = 0 + -12b
Remove the zero:
4a = -12b

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

Simplifying
a = -3b

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