Question

Помогие решить
{4x+2y=-19
{-11x+2y=18

Answer 1

{4х+2у=-19 |*(-1)
{-11х+2у=18
{-4х-2у=19
{-11х+2у=18
_________
-15х= 37
х= - 37/15= - 2 7/15
4/1*37/15-2у=19
148/15-2у=19
-2у=19-9 13/15
-2у=9 2/15
у= - 137/15*1/2
у= - 137/30= - 4 17/30
Ответ: ( - 2 7/15; - 4 17/30)