4 3х 7 )- 6 2х 5 )= 5х 1 July 8, 2019 16 32 64 128 5 x 7 = 35 4(6х + 5) – 5(7х – 4) = х 5 3/7-4х=3/7-1/4х (4 7-х)-5 2=-6 3