3a-12b=15

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Solution for 3a-12b=15 equation: 


Simplifying
3a + -12b = 15

Solving
3a + -12b = 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 = 15 + 12b

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

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

Simplifying
a = 5 + 4b

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