9a-3=78

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Solution for 9a-3=78 equation: 


Simplifying
9a + -3 = 78

Reorder the terms:
-3 + 9a = 78

Solving
-3 + 9a = 78

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 9a = 78 + 3

Combine like terms: -3 + 3 = 0
0 + 9a = 78 + 3
9a = 78 + 3

Combine like terms: 78 + 3 = 81
9a = 81

Divide each side by '9'.
a = 9

Simplifying
a = 9

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