7n+8n=90

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Solution for 7n+8n=90 equation: 


Simplifying
7n + 8n = 90

Combine like terms: 7n + 8n = 15n
15n = 90

Solving
15n = 90

Solving for variable 'n'.

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

Divide each side by '15'.
n = 6

Simplifying
n = 6

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