9n-72=8n-72

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Solution for 9n-72=8n-72 equation:


Simplifying
9n + -72 = 8n + -72

Reorder the terms:
-72 + 9n = 8n + -72

Reorder the terms:
-72 + 9n = -72 + 8n

Add '72' to each side of the equation.
-72 + 72 + 9n = -72 + 72 + 8n

Combine like terms: -72 + 72 = 0
0 + 9n = -72 + 72 + 8n
9n = -72 + 72 + 8n

Combine like terms: -72 + 72 = 0
9n = 0 + 8n
9n = 8n

Solving
9n = 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
9n + -8n = 8n + -8n

Combine like terms: 9n + -8n = 1n
1n = 8n + -8n

Combine like terms: 8n + -8n = 0
1n = 0

Divide each side by '1'.
n = 0

Simplifying
n = 0

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