129-6a=12a+23

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Solution for 129-6a=12a+23 equation:


Simplifying
129 + -6a = 12a + 23

Reorder the terms:
129 + -6a = 23 + 12a

Solving
129 + -6a = 23 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
129 + -6a + -12a = 23 + 12a + -12a

Combine like terms: -6a + -12a = -18a
129 + -18a = 23 + 12a + -12a

Combine like terms: 12a + -12a = 0
129 + -18a = 23 + 0
129 + -18a = 23

Add '-129' to each side of the equation.
129 + -129 + -18a = 23 + -129

Combine like terms: 129 + -129 = 0
0 + -18a = 23 + -129
-18a = 23 + -129

Combine like terms: 23 + -129 = -106
-18a = -106

Divide each side by '-18'.
a = 5.888888889

Simplifying
a = 5.888888889

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