1/4k-(k+1/5)=1/20(k+5)

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Solution for 1/4k-(k+1/5)=1/20(k+5) equation: 


k in (-oo:+oo)

(1/4)*k-k-(1/5) = (1/20)*(k+5) // - (1/20)*(k+5)

(1/4)*k-((1/20)*(k+5))-k-(1/5) = 0

(-1/20)*(k+5)+(1/4)*k-k-1/5 = 0

k/4-1/20*(k+5)-k-1/5 = 0

(-1/20*4*5*(k+5))/(4*5)+(5*k)/(4*5)+(4*5*(-k))/(4*5)+(-1*4)/(4*5) = 0

5*k-1/20*4*5*(k+5)+4*5*(-k)-1*4 = 0

4*k-20*k-5-4 = 0

-16*k-5-4 = 0

-16*k-9 = 0

(-16*k-9)/(4*5) = 0

(-16*k-9)/(4*5) = 0 // * 4*5

-16*k-9 = 0

-16*k-9 = 0 // + 9

-16*k = 9 // : -16

k = 9/(-16)

k = -9/16

k = -9/16

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