3a+-2=12

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Solution for 3a+-2=12 equation: 


Simplifying
3a + -2 = 12

Reorder the terms:
-2 + 3a = 12

Solving
-2 + 3a = 12

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 3a = 12 + 2

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

Combine like terms: 12 + 2 = 14
3a = 14

Divide each side by '3'.
a = 4.666666667

Simplifying
a = 4.666666667

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