👤

Rezolvati in r ecuatia: pt 50 puncte !!!
[18:(-3)²-7⁻²*5,(4)]*(x-1)=√4+2x 


Răspuns :

[tex](18:9- \frac{1}{49}* \frac{49}{9})(x-1)=2+2x [/tex]

[tex](2- \frac{1}{9})(x-1) =2+2x[/tex]

[tex] \frac{17}{9}(x-1) =2+2x[/tex]

[tex] \frac{17}{9}x- \frac{17}{9}=2+2x [/tex]

[tex]- \frac{17}{9}-2=2x- \frac{17}{9}x [/tex]

[tex]- \frac{35}{9} = \frac{1}{9} x[/tex]

[tex](- \frac{35}{9}):( \frac{1}{9})=x [/tex]

[tex](- \frac{35}{9})*9 =x[/tex]

-35=x