Question

Rezolvati ecuatiile:
d)x+3suprax -1 =x-1 supra2

Answer 1

$\frac{x+3}{-1} = \frac{x-1}{2}$ aducem la acelasi numitor si avem 
$2(x+3)=-1(x-1)$
$2x+6=-x+1$
$3x=-5$
$x= \frac{-5}{3}$