63a-21=1

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Solution for 63a-21=1 equation: 


Simplifying
63a + -21 = 1

Reorder the terms:
-21 + 63a = 1

Solving
-21 + 63a = 1

Solving for variable 'a'.

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

Add '21' to each side of the equation.
-21 + 21 + 63a = 1 + 21

Combine like terms: -21 + 21 = 0
0 + 63a = 1 + 21
63a = 1 + 21

Combine like terms: 1 + 21 = 22
63a = 22

Divide each side by '63'.
a = 0.3492063492

Simplifying
a = 0.3492063492

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