5 2x 1 ≥ 3x 7 x July 8, 2019 16 32 64 128 5 2x 1 )- 3 3x 2 )= 7 x 4 5 x 1 )- 2x 3x 7 5 x 2 2x 7 )= 2 3x 1 )+ 7 2 5 2x 1 )+ 7 x 1 )= 3x 12 6x 7 2x 1 3x 1 x 5 5 2x 1 )+ 7 2 3x )=- 3 x 3 8 - 2x = 5)-6(3x-7)=1 find x 8 2x 5 )- 6 3x 7 )= 1 then x 5 x 7 = 35 5 x 5 x 5 x 5 x 5 5 x 5 x 5