a+111=20

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Solution for a+111=20 equation: 


Simplifying
a + 111 = 20

Reorder the terms:
111 + a = 20

Solving
111 + a = 20

Solving for variable 'a'.

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

Add '-111' to each side of the equation.
111 + -111 + a = 20 + -111

Combine like terms: 111 + -111 = 0
0 + a = 20 + -111
a = 20 + -111

Combine like terms: 20 + -111 = -91
a = -91

Simplifying
a = -91

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