a+2.1=5.8

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Solution for a+2.1=5.8 equation: 


Simplifying
a + 2.1 = 5.8

Reorder the terms:
2.1 + a = 5.8

Solving
2.1 + a = 5.8

Solving for variable 'a'.

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

Add '-2.1' to each side of the equation.
2.1 + -2.1 + a = 5.8 + -2.1

Combine like terms: 2.1 + -2.1 = 0.0
0.0 + a = 5.8 + -2.1
a = 5.8 + -2.1

Combine like terms: 5.8 + -2.1 = 3.7
a = 3.7

Simplifying
a = 3.7

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