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7.1A2.ECUATII IN Q
Contributed by: Romeo
(Original author: Maccoux)

32•x = 8

x=

x -     =    

x=
2
3

1

4

x +     =    

x=

1

4

2

5

x•         =    

x=

1

3

7

6

Solutia ecuatiei este:

 

0,(6)•x=

2
3

  -1

   1

4

6

9

9

 

2x + 5 = -2

Solutia ecuatiei este:
-
-
7
2

3

2

3

2
7
2
x=
-4 =
1
2
x + 3
Solutia ecuatiei este

4x-4=13

-
-

17

11

17

4

11

4
4
4

Dupa ce parcurge         din lungimea unui drum si

 

inca 40km,  soferul unui autoturism a constatat ca

 a parcurs 160km. Care este lungimea totala a

 drumului.

x=
3
5
Km.

x     +      =    

2

3

5

6

3

4

x=
Solitia ecuatiei este:
2x+3=2(5-4x)
x=

Determinati solutia ecuatiei:

2x-1
 x=
5
-
x-2

3

-1 =0 
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