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Solutia reala a ecuatiei 2x-2 = 5(x-1)

Răspuns :

Succes!!!!!



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Vezi imaginea GLY
2x - 2 = 5(x - 1) 


[tex]\it 2x - 2 = 5(x - 1) \Longleftrightarrow 2x-2 = 5x-5\Longleftrightarrow -2+5 = 5x-2x \Longleftrightarrow \\\;\\ \Longleftrightarrow 3=3x \Longleftrightarrow x = 1.[/tex]