6a+3=129

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Solution for 6a+3=129 equation: 


Simplifying
6a + 3 = 129

Reorder the terms:
3 + 6a = 129

Solving
3 + 6a = 129

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 6a = 129 + -3

Combine like terms: 3 + -3 = 0
0 + 6a = 129 + -3
6a = 129 + -3

Combine like terms: 129 + -3 = 126
6a = 126

Divide each side by '6'.
a = 21

Simplifying
a = 21

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