2 7 x 4 5 2 7 x 1 3 July 8, 2019 16 32 64 128 2 5 x 3 7 2 5 x 4 7 1 10 5 x 7 = 35 2) 2/(2 - x) = 7/(4 5 - 4x) 2 ⋅ ( 7 x − 1 2 ) = ( 5 + 4 3 x ) ⋅ 4
