20+a=22

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Solution for 20+a=22 equation: 


Simplifying
20 + a = 22

Solving
20 + a = 22

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + a = 22 + -20

Combine like terms: 20 + -20 = 0
0 + a = 22 + -20
a = 22 + -20

Combine like terms: 22 + -20 = 2
a = 2

Simplifying
a = 2

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