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Urgent va rog exercitiul 1 si 2b​

Urgent Va Rog Exercitiul 1 Si 2b class=

Răspuns :

Răspuns:

1.

a)6x=20 =>x=10/3

b)17/8 + x = 5/8 =>x=5/8 - 17/8=(-12/8)=(-3/2)

c)x=-rad14•7rad2 =>x=(-49rad2)

2.

b)6xrad5-30rad2=8xrad5+20rad2

-2xrad5=50rad2

x=-25rad2/rad5= -25rad10/5 = -5rad10