8a-3a=84

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Solution for 8a-3a=84 equation: 


Simplifying
8a + -3a = 84

Combine like terms: 8a + -3a = 5a
5a = 84

Solving
5a = 84

Solving for variable 'a'.

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

Divide each side by '5'.
a = 16.8

Simplifying
a = 16.8

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