21a+64=547

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Solution for 21a+64=547 equation: 


Simplifying
21a + 64 = 547

Reorder the terms:
64 + 21a = 547

Solving
64 + 21a = 547

Solving for variable 'a'.

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

Add '-64' to each side of the equation.
64 + -64 + 21a = 547 + -64

Combine like terms: 64 + -64 = 0
0 + 21a = 547 + -64
21a = 547 + -64

Combine like terms: 547 + -64 = 483
21a = 483

Divide each side by '21'.
a = 23

Simplifying
a = 23

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