11+a=-20

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Solution for 11+a=-20 equation: 


Simplifying
11 + a = -20

Solving
11 + a = -20

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + a = -20 + -11

Combine like terms: 11 + -11 = 0
0 + a = -20 + -11
a = -20 + -11

Combine like terms: -20 + -11 = -31
a = -31

Simplifying
a = -31

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