72=-8a

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Solution for 72=-8a equation:


Simplifying
72 = -8a

Solving
72 = -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
72 + 8a = -8a + 8a

Combine like terms: -8a + 8a = 0
72 + 8a = 0

Add '-72' to each side of the equation.
72 + -72 + 8a = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 8a = 0 + -72
8a = 0 + -72

Combine like terms: 0 + -72 = -72
8a = -72

Divide each side by '8'.
a = -9

Simplifying
a = -9

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