" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
{y=-4x (1)
(1) wstawiam do (2):
{y=-4x
{-3x-(-4x)=2
{y=-4x
{-3x+4x=2
{y=-4x
{x=2 (3)
(3) wstawiam do (1):
{x=2
{y=-4×2
{x=2
{y=-8
UKŁAD OZNACZONY (2;-8)
y +4x=0
-y-3x=2
-y+4x=0
-7x=2
x=-2/7
y=-4*-2/7
y=8/7
{y+4x=0
{-3x-y=2
{4x+y=0
________
x = 2
4x+y=0
4*2+y=0
8+y=0
y=0-8
y=-8