a-28.5=21.5

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Solution for a-28.5=21.5 equation: 


Simplifying
a + -28.5 = 21.5

Reorder the terms:
-28.5 + a = 21.5

Solving
-28.5 + a = 21.5

Solving for variable 'a'.

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

Add '28.5' to each side of the equation.
-28.5 + 28.5 + a = 21.5 + 28.5

Combine like terms: -28.5 + 28.5 = 0.0
0.0 + a = 21.5 + 28.5
a = 21.5 + 28.5

Combine like terms: 21.5 + 28.5 = 50
a = 50

Simplifying
a = 50

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