Question

a) 5x-11=x-3
b) 8x+20=3x
c)radical din 3 x +4 =1-2 radical din 3x dau funda
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Answer 1

Răspuns:

A) 5X-X=11-3 ;   4X=8 ;   X=8/4 ;   X=2 ;  B)  8X-3X=-20 ;   5X=-20 ;   X=-20/5 ;   X=-4 ;   C)   √3X +2√3X=1-4 ;   3√3X=-3;   X=-3/3√3;  X=-√3/3

Explicație pas cu pas:

Answer 2

Explicație pas cu pas:

a)5x-x=-3+11

4x=8/:4

x=2

b)8x+20=3x

8x-3x=-20

5x=-20 /:5

x=-4

c)x radical 3 + 2x radical 3=1-4

3x radical 3 = -3 / :3 radical 3

x=-3/3 radical 3

x= - 3 radical 3/9

x= - radical 3/3