8n-7=129

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Solution for 8n-7=129 equation: 


Simplifying
8n + -7 = 129

Reorder the terms:
-7 + 8n = 129

Solving
-7 + 8n = 129

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + 8n = 129 + 7

Combine like terms: -7 + 7 = 0
0 + 8n = 129 + 7
8n = 129 + 7

Combine like terms: 129 + 7 = 136
8n = 136

Divide each side by '8'.
n = 17

Simplifying
n = 17

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