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10n + 10(7n + 10) = -10(11 - n)
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10n + 10(7n + 10) = -10(11 - n)

User Eunbi
by
5.3k points

1 Answer

2 votes

Answer:

n = -3

Explanation:

P E M D A S

10 x 7n = 70n

10 x 10 = 100

10n + 70n + 100 = -10(11 - n )

80n + 100 = -10(11 - n )

80n + 100 = 10n - 110

80n + 100 - 100 = 10n - 110 - 100

80n = 10n - 210

80n - 10n - 10n - 210 - 10n

70n = -210

70n ÷ 70 = -210 ÷ 70

n = -3

User Jivan
by
4.6k points
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