Question

Sabendo que x = 5/4 e y = 2x + 1, encontre o valor das seguintes expressões: (a) x + y
(b) y − x​

Answer 1

Resposta:

x=5/4

y=2x+1=2*5/4+1 =5/2+1=7/2=14/4

(a) x + y=5/4+14/4=19/4

(b) y − x​ =14/4-5/4 =9/4