4 7x 8 ) 6 5x 10 July 8, 2019 16 32 64 128 4 7x 8 )+ 6 5x 10 4 7 - 8x = 4 9 - 10x 5 x 7 = 35 8 7x - 4 5x = 10 5 8 7 x - 4 5 x равно 10 5