3a+12b+1c=15

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Solution for 3a+12b+1c=15 equation: 


Simplifying
3a + 12b + 1c = 15

Solving
3a + 12b + 1c = 15

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 + 1c = 15 + -12b

Combine like terms: 12b + -12b = 0
3a + 0 + 1c = 15 + -12b
3a + 1c = 15 + -12b

Add '-1c' to each side of the equation.
3a + 1c + -1c = 15 + -12b + -1c

Combine like terms: 1c + -1c = 0
3a + 0 = 15 + -12b + -1c
3a = 15 + -12b + -1c

Divide each side by '3'.
a = 5 + -4b + -0.3333333333c

Simplifying
a = 5 + -4b + -0.3333333333c

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