Solve for n 19 + 10n = 7n - 20

asked Mar 28, 2021 149k views

1 vote

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2 votes

Answer:

n = -13

Explanation:

19 + 10n = 7n - 20

Subtract 7n from each side

19 + 10n-7n = 7n-7n - 20

19+3n = -20

Subtract 19 from each side

19+3n -19 = -20-19

3n = -39

Divide each side by 3

3n/3 = -39/3

n = -13

Ilo Calistus answered Apr 3, 2021

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