7n-7=28

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Solution for 7n-7=28 equation: 


n in (-oo:+oo)

7*n-7 = 28 // - 28

7*n-28-7 = 0

7*n-35 = 0 // + 35

7*n = 35 // : 7

n = 35/7

n = 5

n = 5

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