3x(a+2b)=0

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Solution for 3x(a+2b)=0 equation: 


Simplifying
3x(a + 2b) = 0
(a * 3x + 2b * 3x) = 0
(3ax + 6bx) = 0

Solving
3ax + 6bx = 0

Solving for variable 'a'.

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

Add '-6bx' to each side of the equation.
3ax + 6bx + -6bx = 0 + -6bx

Combine like terms: 6bx + -6bx = 0
3ax + 0 = 0 + -6bx
3ax = 0 + -6bx
Remove the zero:
3ax = -6bx

Divide each side by '3x'.
a = -2b

Simplifying
a = -2b

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