ROZWIAZ UKLADY ROWNAN:
a) 2y-5x=6
-x=-y+6
b) -3+4=2
6x+8y= -4
c) 2x-5(y+1)= -5
-x+2(y+2)= 4
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a) 2y-5x=6
-x+y=6/*-2
2y-5x=6
2x-2y=-12
2y-5x=6
-3x=0
x=0
2y-5*0=6
2y=6
y=3
c)2x-5y-5=-5
-x+2y+4=4
2x-5y=0
-x+2y=0/*2
2x-5y=0
-2x-10y=0
-15y=0
y=0
2x-5*0-5=-5
2x-5=-5
2x=-5+5
x=0
a)
{2y-5x=6
{-x=y+6
{2y-5x=6
{y=6+x
{2(x+6)-5x=6
{y=6+x
{2x+12-5x=6
{y=6+x
{-3x=-6
{y=6+x
{x=2
{y=8
b)
zapomnialas napisac litery obok pierwszego wyrazenia
c)
{2x-5y-5=-5
{ -x+2y+4=4
{2x-5y=0
{-x+2y=0/*2
{2x-5y=0
{-2x-10y=0
-15y=0
y=0
2x-5*0-5=-5
2x-5=-5
2x=-5+5
x=0
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