3a=21+3

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Solution for 3a=21+3 equation: 


Simplifying
3a = 21 + 3

Combine like terms: 21 + 3 = 24
3a = 24

Solving
3a = 24

Solving for variable 'a'.

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

Divide each side by '3'.
a = 8

Simplifying
a = 8

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