3a-2=12-8

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Solution for 3a-2=12-8 equation: 


Simplifying
3a + -2 = 12 + -8

Reorder the terms:
-2 + 3a = 12 + -8

Combine like terms: 12 + -8 = 4
-2 + 3a = 4

Solving
-2 + 3a = 4

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 = 4 + 2

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

Combine like terms: 4 + 2 = 6
3a = 6

Divide each side by '3'.
a = 2

Simplifying
a = 2

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