X-2 5 ___ = _ x-7 8 как ето решить
( x - 2 ) / ( x - 7 ) = 5/8 x ≠ 7 8( x - 2 ) = 5( x - 7 ) 8x - 16 = 5x - 35 8x - 5x = - 35 + 16 3x = - 19 x = - 19/3 x = - 6 1/3