4/5(n+7/2)+7/2*n=3/10+3n

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Solution for 4/5(n+7/2)+7/2*n=3/10+3n equation: 


n in (-oo:+oo)

(4/5)*(n+7/2)+(7/2)*n = 3*n+3/10 // - 3*n+3/10

(4/5)*(n+7/2)+(7/2)*n-(3*n)-(3/10) = 0

(4/5)*(n+7/2)+(7/2)*n-3*n-3/10 = 0

4/5*(n+7/2)+(7*n)/2-3*n-3/10 = 0

(4/5*2*10*(n+7/2))/(2*10)+(7*10*n)/(2*10)+(-3*2*10*n)/(2*10)+(-3*2)/(2*10) = 0

4/5*2*10*(n+7/2)+7*10*n-3*2*10*n-3*2 = 0

86*n-60*n-6+56 = 0

26*n-6+56 = 0

26*n+50 = 0

(26*n+50)/(2*10) = 0

(26*n+50)/(2*10) = 0 // * 2*10

26*n+50 = 0

26*n+50 = 0 // - 50

26*n = -50 // : 26

n = -50/26

n = -25/13

n = -25/13

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