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23-03-2022
Mathematics

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2i-3n=8
i+2n=-3
find i and n

Respuesta :

25-03-2022

Answer: n = -2; i = 1

Step-by-step explanation:

i + 2n = -3

i = -3 - 2n

Plug in i in 2i - 3n = 8, we get:

2i - 3n = 8

2(-3 - 2n) - 3n = 8

-6 - 4n - 3n = 8

-6 - 7n = 8

-7n = 14

n = -2

substitute n = -2 into i = -3 - 2n

i = -3 - 2n

i = -3 - 2(-2)

i = -3 + 4

i = 1

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