12+2x=a

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Solution for 12+2x=a equation: 


Simplifying
12 + 2x = a

Solving
12 + 2x = a

Solving for variable 'x'.

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

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

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

Divide each side by '2'.
x = -6 + 0.5a

Simplifying
x = -6 + 0.5a

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