-13=-7n+2n+2

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Solution for -13=-7n+2n+2 equation: 


n in (-oo:+oo)

-13 = 2*n-7*n+2 // - 2*n-7*n+2

-(-7*n)-(2*n)-13-2 = 0

7*n-2*n-13-2 = 0

5*n-15 = 0 // + 15

5*n = 15 // : 5

n = 15/5

n = 3

n = 3

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