12x+3a-4x-a=

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Solution for 12x+3a-4x-a= equation:


Simplifying
12x + 3a + -4x + -1a = 0

Reorder the terms:
3a + -1a + 12x + -4x = 0

Combine like terms: 3a + -1a = 2a
2a + 12x + -4x = 0

Combine like terms: 12x + -4x = 8x
2a + 8x = 0

Solving
2a + 8x = 0

Solving for variable 'a'.

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

Add '-8x' to each side of the equation.
2a + 8x + -8x = 0 + -8x

Combine like terms: 8x + -8x = 0
2a + 0 = 0 + -8x
2a = 0 + -8x
Remove the zero:
2a = -8x

Divide each side by '2'.
a = -4x

Simplifying
a = -4x

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