Question

—(—x+2y)=
2x—x+4x—2x=
1/2x=8=
-8x -3=-19=
ПРОСТО ОТВЕТЫ

Answer 1

-(-х+2у) = х-2у

2х-х+4х-2х = 3х

$\frac{1}{2} x = 8 \\ x = 16$

-8х-3 = -19
х = 2