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3n=30+3n(n-4) Find n. .-.​

3n=30+3n(n-4) Find n. .-.​-example-1
User Ganpaan
by
8.1k points

2 Answers

5 votes

Answer and Step-by-step explanation:

6n = 30 + 3(n - 4)

6n = 30 + 3n - 12

6n = 18 + 3n

-3n -3n

3n = 18


(3n)/(3) = (18)/(3)

n = 6

User Romar
by
7.4k points
4 votes

Answer:

n=6

Explanation:

6n= 30+3(n-4)

6n=30+3n-12

6n-3n=30-12

3n=18

n=18/3

n=6

User Bhushan
by
7.8k points

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