2a=12-a

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Solution for 2a=12-a equation:


Simplifying
2a = 12 + -1a

Solving
2a = 12 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
2a + a = 12 + -1a + a

Combine like terms: 2a + a = 3a
3a = 12 + -1a + a

Combine like terms: -1a + a = 0
3a = 12 + 0
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

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