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Q: How do you solve 3n - 5 equals 19?

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3n-5=13 +5 +5 3n=18 /3 /3 n=6

8

Let's give it a go:3n - 6 = 9Add 6 to each side of the equation:3n = 15Divide each side by 3:n = 5

A is 14

1/5

5-2=3n=3

19 = f + 5 Subtract 5 from both sides: 14 = f

3n(n+1] + 5 is the nth term

-5(3n plus 4) 40 is a set of disjointed expressions: it is not a formula and so cannot be solved.

3n + 2n = 25 5n = 25 n = 5

5x+1=20 5x=20-1 5x=19 5x/5=19/5 x=19/5

3n + 6 = -9 Subtract 6 from both sides: 3n = -15 Divide both sides by 3: n = -5 Therefore n = -5

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