3a+12b=x

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Solution for 3a+12b=x equation: 


Simplifying
3a + 12b = x

Solving
3a + 12b = x

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 = -12b + x

Combine like terms: 12b + -12b = 0
3a + 0 = -12b + x
3a = -12b + x

Divide each side by '3'.
a = -4b + 0.3333333333x

Simplifying
a = -4b + 0.3333333333x

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