9x 5 4 x 2 ) 5x July 8, 2019 16 32 64 128 9x 5 4 x 2 )+ 5x X 4 2x 2 9x 5 x 3 x 2 5x 4) 9 5x + 2 =5 7x-5 6 4) 9 5x + 2 =5 7x-5 6 6) 2 9x + 7 4=x+1 7. 5) 1 5x + 8 =3 1x+16
