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