6+6-a=12

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Solution for 6+6-a=12 equation: 


Simplifying
6 + 6 + -1a = 12

Combine like terms: 6 + 6 = 12
12 + -1a = 12

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

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

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

Solving
-1a = 0

Solving for variable 'a'.

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

Divide each side by '-1'.
a = 0

Simplifying
a = 0

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