9a-(-72)=0

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Solution for 9a-(-72)=0 equation: 


Simplifying
9a + -1(-72) = 0

Multiply -1 * -72
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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