a-21.5=.75

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Solution for a-21.5=.75 equation: 


Simplifying
a + -21.5 = 0.75

Reorder the terms:
-21.5 + a = 0.75

Solving
-21.5 + a = 0.75

Solving for variable 'a'.

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

Add '21.5' to each side of the equation.
-21.5 + 21.5 + a = 0.75 + 21.5

Combine like terms: -21.5 + 21.5 = 0.0
0.0 + a = 0.75 + 21.5
a = 0.75 + 21.5

Combine like terms: 0.75 + 21.5 = 22.25
a = 22.25

Simplifying
a = 22.25

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