3 2x 1 ) 7 5 x 1 ) 7 July 8, 2019 16 32 64 128 3 2x 1 )+ 7 5 x 1 )+ 7 Rezolvati in r ecuatia 3 2x 1 )+ 7 5 x 1 )+ 7 5 x 7 = 35 2 ⋅ ( 7 x − 1 2 ) = ( 5 + 4 3 x ) ⋅ 4
