3a-8=78

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Solution for 3a-8=78 equation: 


Simplifying
3a + -8 = 78

Reorder the terms:
-8 + 3a = 78

Solving
-8 + 3a = 78

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 3a = 78 + 8

Combine like terms: -8 + 8 = 0
0 + 3a = 78 + 8
3a = 78 + 8

Combine like terms: 78 + 8 = 86
3a = 86

Divide each side by '3'.
a = 28.66666667

Simplifying
a = 28.66666667

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