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x in (-oo:+oo)
(10*x)/1000 = 1.5 // - 1.5
(10*x)/1000-1.5 = 0
1/100*x-1.5 = 0 // + 1.5
1/100*x = 1.5 // : 1/100
x = 1.5/1/100
x = 150
x = 150
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