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There must either be a value for n if you are solving what "3n+1" equals
OR
"3n+1" must equal something if you are solving for n.
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The expression "3n plus 1" represents a mathematical equation where a number, 'n,' is multiplied by 3 and then 1 is added to the result. To find the value, you would substitute a specific number in place of 'n' and perform the calculation. For example, if 'n' was 2, the equation would be 3(2) + 1 = 7.
3n+1=7 3*2+1=7
3n + 2n = 25 5n = 25 n = 5
3n = 15 + 12 = 27, 27/3 = 9 = n
3n2-8n+4 = (3n-2)(n-2) when factored
3n + 4 = 7(- 4 from both sides)3n = 3(divide both sides by 3)n = 1