a+8=12.2

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Solution for a+8=12.2 equation: 


Simplifying
a + 8 = 12.2

Reorder the terms:
8 + a = 12.2

Solving
8 + a = 12.2

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + a = 12.2 + -8

Combine like terms: 8 + -8 = 0
0 + a = 12.2 + -8
a = 12.2 + -8

Combine like terms: 12.2 + -8 = 4.2
a = 4.2

Simplifying
a = 4.2

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