2/5x-1/5x+9=-1

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Solution for 2/5x-1/5x+9=-1 equation: 


x in (-oo:+oo)

(2/5)*x-((1/5)*x)+9 = -1 // + 1

(2/5)*x-((1/5)*x)+1+9 = 0

(2/5)*x+(-1/5)*x+1+9 = 0

1/5*x+10 = 0 // - 10

1/5*x = -10 // : 1/5

x = -10/1/5

x = -50

x = -50

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