Question

Punctul a de sus am să vă rog!!

Answer 1

Răspuns:

2x+5. x-4

-------+0,5=-----

3. 6

2x+5. 5 x-4

-------+----- = -----

3. 10 6

2x+5. 1 x-4

-------+----- = -----

3. 2 6

(aducem la numitor comun)

4x+10. 3 x-4

-------+----- = -----

6 6 6

4x+13. x-4

-------- =-----

6. 6

(inmultim in cruce)

24x+78=6x-24

24x-6x=-24-78

18x=-102

x=102/18

x=51/9

x=17/3

Sper ca e corect