12a-a=121

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Solution for 12a-a=121 equation: 


Simplifying
12a + -1a = 121

Combine like terms: 12a + -1a = 11a
11a = 121

Solving
11a = 121

Solving for variable 'a'.

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

Divide each side by '11'.
a = 11

Simplifying
a = 11

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