2a-21.1=21.5

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Solution for 2a-21.1=21.5 equation:


Simplifying
2a + -21.1 = 21.5

Reorder the terms:
-21.1 + 2a = 21.5

Solving
-21.1 + 2a = 21.5

Solving for variable 'a'.

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

Add '21.1' to each side of the equation.
-21.1 + 21.1 + 2a = 21.5 + 21.1

Combine like terms: -21.1 + 21.1 = 0.0
0.0 + 2a = 21.5 + 21.1
2a = 21.5 + 21.1

Combine like terms: 21.5 + 21.1 = 42.6
2a = 42.6

Divide each side by '2'.
a = 21.3

Simplifying
a = 21.3

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