12a+3x-3a+9=

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Solution for 12a+3x-3a+9= equation:


Simplifying
12a + 3x + -3a + 9 = 0

Reorder the terms:
9 + 12a + -3a + 3x = 0

Combine like terms: 12a + -3a = 9a
9 + 9a + 3x = 0

Solving
9 + 9a + 3x = 0

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + 9a + -9 + 3x = 0 + -9

Reorder the terms:
9 + -9 + 9a + 3x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 9a + 3x = 0 + -9
9a + 3x = 0 + -9

Combine like terms: 0 + -9 = -9
9a + 3x = -9

Add '-3x' to each side of the equation.
9a + 3x + -3x = -9 + -3x

Combine like terms: 3x + -3x = 0
9a + 0 = -9 + -3x
9a = -9 + -3x

Divide each side by '9'.
a = -1 + -0.3333333333x

Simplifying
a = -1 + -0.3333333333x

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