Question

Exercițiul 5 și 6 vă rog!

Answer 1

6)a)125+x/4-1/4=200⇒500+x-1/4=200⇒499+x/4=200⇒499+x=200×4⇒499+x=800⇒x=800-499⇒x=301
b)(31/8-x)-11/10=0⇒(25/8-x)-11/10=0⇒25-8x/8-11/10=0⇒
250-80x-88/80=0⇒
-80x+162/80=0⇒-80x=-162⇒x=-162/-80⇒x=-81/40
c)x-2/3-5/6=1/2⇒
6x-4-5/6=1/2⇒6x-9/6=1/2⇒2(6x-9)=6⇒12x-18=6⇒12x=18+6⇒12x=24⇒x=24/12⇒x=2
sucees