cmmmc al numitorilor ( 5, 9, 4 ) = 5 ×9×4 = 180
³⁶⁾8x-1 ¹⁸⁰⁾1 ²⁰⁾50-2x ⁴⁵⁾3x+3
------ - ----- = ------- + --------
5 1 9 4
36 ( 8 x - 1) - 180 = 20 ( 50 - 2 x ) + 45 ( 3 x + 3)
288 x - 36 - 180 = 1 000 - 40 x + 135 x + 135
288 x - 95 x = 1 135 +216
193 x = 1 351
x = 1 351 : 193
x = 7∈ R
