-3.8=-a

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Solution for -3.8=-a equation: 


Simplifying
-3.8 = -1a

Solving
-3.8 = -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-3.8 + a = -1a + a

Combine like terms: -1a + a = 0
-3.8 + a = 0

Add '3.8' to each side of the equation.
-3.8 + 3.8 + a = 0 + 3.8

Combine like terms: -3.8 + 3.8 = 0.0
0.0 + a = 0 + 3.8
a = 0 + 3.8

Combine like terms: 0 + 3.8 = 3.8
a = 3.8

Simplifying
a = 3.8

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