19a-7a=84

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Solution for 19a-7a=84 equation: 


Simplifying
19a + -7a = 84

Combine like terms: 19a + -7a = 12a
12a = 84

Solving
12a = 84

Solving for variable 'a'.

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

Divide each side by '12'.
a = 7

Simplifying
a = 7

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