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x in (-oo:+oo)
3/75 = x/650 // - x/650
3/75-(x/650) = 0
1/25-1/650*x = 0 // - 1/25
-1/650*x = -1/25 // : -1/650
x = -1/25/(-1/650)
x = 26
x = 26
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