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x in (-oo:+oo)
1.8 = x/1709300 // - x/1709300
1.8-(x/1709300) = 0
1.8-1/1709300*x = 0 // - 1.8
-1/1709300*x = -1.8 // : -1/1709300
x = -1.8/(-1/1709300)
x = 3050847.45762712
x = 3050847.45762712
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