a+6.84=-21.9

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Solution for a+6.84=-21.9 equation: 


Simplifying
a + 6.84 = -21.9

Reorder the terms:
6.84 + a = -21.9

Solving
6.84 + a = -21.9

Solving for variable 'a'.

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

Add '-6.84' to each side of the equation.
6.84 + -6.84 + a = -21.9 + -6.84

Combine like terms: 6.84 + -6.84 = 0.00
0.00 + a = -21.9 + -6.84
a = -21.9 + -6.84

Combine like terms: -21.9 + -6.84 = -28.74
a = -28.74

Simplifying
a = -28.74

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