7+3n=28

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Solution for 7+3n=28 equation:


n in (-oo:+oo)

3*n+7 = 28 // - 28

3*n-28+7 = 0

3*n-21 = 0 // + 21

3*n = 21 // : 3

n = 21/3

n = 7

n = 7

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