1/2+2/5(2x-1)=-39/10

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Solution for 1/2+2/5(2x-1)=-39/10 equation: 


x in (-oo:+oo)

(2/5)*(2*x-1)+1/2 = -39/10 // + -39/10

(2/5)*(2*x-1)+1/2-(-39/10) = 0

(2/5)*(2*x-1)+1/2+39/10 = 0

2/5*(2*x-1)+1/2+39/10 = 0

(2/5*2*10*(2*x-1))/(2*10)+(1*10)/(2*10)+(2*39)/(2*10) = 0

2/5*2*10*(2*x-1)+1*10+2*39 = 0

16*x+2+78 = 0

16*x+80 = 0

(16*x+80)/(2*10) = 0

(16*x+80)/(2*10) = 0 // * 2*10

16*x+80 = 0

16*x+80 = 0 // - 80

16*x = -80 // : 16

x = -80/16

x = -5

x = -5

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