4+5n=21/4

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Solution for 4+5n=21/4 equation: 


n in (-oo:+oo)

5*n+4 = 21/4 // - 21/4

5*n-(21/4)+4 = 0

5*n-21/4+4 = 0

5*n-5/4 = 0 // + 5/4

5*n = 5/4 // : 5

n = 5/4/5

n = 1/4

n = 1/4

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