12a-11a=20

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Solution for 12a-11a=20 equation: 


Simplifying
12a + -11a = 20

Combine like terms: 12a + -11a = 1a
1a = 20

Solving
1a = 20

Solving for variable 'a'.

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

Divide each side by '1'.
a = 20

Simplifying
a = 20

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