(x-1)/5-(2x-1)/4=-1

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Solution for (x-1)/5-(2x-1)/4=-1 equation:


x in (-oo:+oo)

(x-1)/5-((2*x-1)/4) = -1 // + 1

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

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

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

4*(x-1)-1*5*(2*x-1)+1*4*5 = 0

1-6*x+20 = 0

21-6*x = 0

(21-6*x)/(4*5) = 0

(21-6*x)/(4*5) = 0 // * 4*5

21-6*x = 0

21-6*x = 0 // - 21

-6*x = -21 // : -6

x = -21/(-6)

x = 7/2

x = 7/2

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