Răspunsuri

  • Utilizator Brainly
2014-03-11T19:18:46+02:00
A=3b+65
a-b=305
3b+65-b=305
2b=305-65
2b=240
b=240:2
b=120
a=120x3+65
a=425
Verificare : 425-120=305
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2014-03-11T19:25:53+02:00
A=3b+ 65
a-b=305

3b+65-b=305
2b+65=305 |-65
2b=  240 | :2
b= 120
a= 3x120+65
a=360+65
a=    425
vf: 425-120= 305

Mai fa o data calculele in caz ca am gresit!
Sper ca te-am ajutat ;)


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