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Anonymous
The coefficient of '3n' is 3; n is the VARIABLE; n is often chosen for 'number'.
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The coefficient of 3n is 3
Remington Hatton ∙
3n+2+3n+2=6n+4
9
3n+5n=8n
3n = 0.138 n = 0.046
3n x 3n = 9n if 9n = 36 then n = 36/9 = 4