3n=(5-9n)/4

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Solution for 3n=(5-9n)/4 equation:


n in (-oo:+oo)

3*n = (5-(9*n))/4 // - (5-(9*n))/4

3*n-((5-(9*n))/4) = 0

3*n-((5-9*n)/4) = 0

(-1*(5-9*n))/4+3*n = 0

(-1*(5-9*n))/4+(3*4*n)/4 = 0

3*4*n-1*(5-9*n) = 0

21*n-5 = 0

(21*n-5)/4 = 0

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

21*n-5 = 0

21*n-5 = 0 // + 5

21*n = 5 // : 21

n = 5/21

n = 5/21

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