a+0.8=1.2

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Solution for a+0.8=1.2 equation: 


Simplifying
a + 0.8 = 1.2

Reorder the terms:
0.8 + a = 1.2

Solving
0.8 + a = 1.2

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 = 1.2 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + a = 1.2 + -0.8
a = 1.2 + -0.8

Combine like terms: 1.2 + -0.8 = 0.4
a = 0.4

Simplifying
a = 0.4

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