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