15x-20(-1/10+15/10x)=-1

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Solution for 15x-20(-1/10+15/10x)=-1 equation: 


x in (-oo:+oo)

15*x-(20*((15/10)*x-1/10)) = -1 // + 1

15*x-(20*((15/10)*x-1/10))+1 = 0

15*x-20*((15/10)*x-1/10)+1 = 0

15*x-20*(3/2*x-1/10)+1 = 0

15*x-20*(3/2*x-1/10)+1 = 0

1-15*x+2 = 0

3-15*x = 0

3-15*x = 0

3-15*x = 0 // - 3

-15*x = -3 // : -15

x = -3/(-15)

x = 1/5

x = 1/5

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