21*a=9*21

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Solution for 21*a=9*21 equation: 


Simplifying
21a = 9 * 21

Multiply 9 * 21
21a = 189

Solving
21a = 189

Solving for variable 'a'.

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

Divide each side by '21'.
a = 9

Simplifying
a = 9

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