Question

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

Answer 1

$(18:9- \frac{1}{49}* \frac{49}{9})(x-1)=2+2x$

$(2- \frac{1}{9})(x-1) =2+2x$

$\frac{17}{9}(x-1) =2+2x$

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

$- \frac{17}{9}-2=2x- \frac{17}{9}x$

$- \frac{35}{9} = \frac{1}{9} x$

$(- \frac{35}{9}):( \frac{1}{9})=x$

$(- \frac{35}{9})*9 =x$

-35=x