9a-72=

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Solution for 9a-72= equation: 


Simplifying
9a + -72 = 0

Reorder the terms:
-72 + 9a = 0

Solving
-72 + 9a = 0

Solving for variable 'a'.

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

Add '72' to each side of the equation.
-72 + 72 + 9a = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 9a = 0 + 72
9a = 0 + 72

Combine like terms: 0 + 72 = 72
9a = 72

Divide each side by '9'.
a = 8

Simplifying
a = 8

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