a-0.8=3.2

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Solution for a-0.8=3.2 equation: 


Simplifying
a + -0.8 = 3.2

Reorder the terms:
-0.8 + a = 3.2

Solving
-0.8 + a = 3.2

Solving for variable 'a'.

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

Add '0.8' to each side of the equation.
-0.8 + 0.8 + a = 3.2 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.0 + a = 3.2 + 0.8
a = 3.2 + 0.8

Combine like terms: 3.2 + 0.8 = 4
a = 4

Simplifying
a = 4

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