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Rezolvati in R ecuatia:5x+8=x-4​

Răspuns :

[tex]\bf 5x+8 = x-4[/tex]

[tex]\bf 5x = x-4 - 8[/tex]

[tex]\bf 5x - x = -12[/tex]

[tex]\bf 4x = -12\:\:|:4[/tex]

[tex]\boxed{\bf x=-3}[/tex] ∈ IR

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