É super fácil. Primeiro vc passa números pro lado direito e letras pro esquerdo, mudando o sinal dos q vc mudar, aí fica assim x = 40-30 Agora faz a conta 40 - 30 = 10 Então, x = 10.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.