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Rezolvati (x+4)+(3x+8)=24
Repede va rog corect.


Răspuns :

(x+4)+(3x+8)=24
x+4+3x+8=24
4x+12=24 |-12
4x=12 |:4
x=3
(x+4)+(3x+8)=24⇒x+4+3x+8=24⇒4x+12=24⇒4x=24-12⇒4x=12⇒x=12|4⇒
x=3
succes