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