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a fost răspuns

cum pot rexolva ecuatia:4*x=6x-1

Răspuns :

[tex]\it x*y=xy+3x+3y+6 \\\;\\ \it y*x=yx+3y+3x+6 \\\;\\ \it 4*x=4x+3\cdot \it4+3x+6 = 7x +18 \\\;\\ \it Ecuatia\ devine : \\\;\\ \it 7x+18 = 6x-1 \Longrightarrow x = -19\ . [/tex]
-2x+1=0|-1
-2X=-1|:(-2)
x=+0,5
cred..

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