1/2(n+4)=2/5n+1/10

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Solution for 1/2(n+4)=2/5n+1/10 equation: 


n in (-oo:+oo)

(1/2)*(n+4) = (2/5)*n+1/10 // - (2/5)*n+1/10

(1/2)*(n+4)-((2/5)*n)-(1/10) = 0

(1/2)*(n+4)+(-2/5)*n-1/10 = 0

1/2*(n+4)+(-2*n)/5-1/10 = 0

(1/2*5*10*(n+4))/(5*10)+(-2*10*n)/(5*10)+(-1*5)/(5*10) = 0

1/2*5*10*(n+4)-2*10*n-1*5 = 0

5*n-5+100 = 0

5*n+95 = 0

(5*n+95)/(5*10) = 0

(5*n+95)/(5*10) = 0 // * 5*10

5*n+95 = 0

5*n+95 = 0 // - 95

5*n = -95 // : 5

n = -95/5

n = -19

n = -19

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