184 7 2x 5 )= 301 6 x 1 )- 6 July 8, 2019 16 32 64 128 184 7 2x 5 )= 301 6 x 1 )- 6 comprobacion (518 - 445) * x = 73 6) (18x - 19) - (4 - 7x) = - 73 r) - 3(4 - 5y) + 2(3 - 6y) = - 39
