Theddycunha0go Theddycunha0go Matemática Respondido 1) Simplifique as expressões a seguir. a) 2x + 3 + x + 6 b) 2(x + y) c)-6z + x + 7y + 3 - 2y - z + 11 d) 8x - y - 5 + 4z + 5 - 2x + 2z + 7y