7n-2=-9

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Solution for 7n-2=-9 equation: 


n in (-oo:+oo)

7*n-2 = -9 // + 9

7*n-2+9 = 0

7*n+7 = 0 // - 7

7*n = -7 // : 7

n = -7/7

n = -1

n = -1

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