5n/(4n+7)=1

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Solution for 5n/(4n+7)=1 equation: 


D( n )

4*n+7 = 0

4*n+7 = 0

4*n+7 = 0

4*n+7 = 0 // - 7

4*n = -7 // : 4

n = -7/4

n in (-oo:-7/4) U (-7/4:+oo)

(5*n)/(4*n+7) = 1 // - 1

(5*n)/(4*n+7)-1 = 0

(5*n)/(4*n+7)+(-1*(4*n+7))/(4*n+7) = 0

5*n-1*(4*n+7) = 0

n-7 = 0

(n-7)/(4*n+7) = 0

(n-7)/(4*n+7) = 0 // * 4*n+7

n-7 = 0

n-7 = 0 // + 7

n = 7

n = 7

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