(3n-7)=1/5(21n+3)

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Solution for (3n-7)=1/5(21n+3) equation: 


n in (-oo:+oo)

3*n-7 = (1/5)*(21*n+3) // - (1/5)*(21*n+3)

3*n-((1/5)*(21*n+3))-7 = 0

(-1/5)*(21*n+3)+3*n-7 = 0

3*n-1/5*(21*n+3)-7 = 0

3*n-1/5*(21*n+3)-7 = 0

-6/5*n-7-3/5 = 0

-6/5*n-38/5 = 0

-6/5*n-38/5 = 0

-6/5*n-38/5 = 0 // + 38/5

-6/5*n = 38/5 // : -6/5

n = 38/5/(-6/5)

n = -19/3

n = -19/3

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