Odpowiedzi

2010-02-10T17:00:19+01:00
A. x=5
y= 25

b. x=40
y= 80

c. y= 3
x= 6
6 3 6
2010-02-10T17:01:25+01:00
A.
x-5
y-7
b.
x-40
y-80
c.
x-6
y-3
6 3 6
Najlepsza Odpowiedź!
2010-02-10T17:06:18+01:00
A)4x=20/4
y=x+2

x=5
y=5+2

x=5
y=7

b)x+10=50
y=2x

x=50-10
y=2x

x=40
y=2*40

x=40
y=80

c)x=9-y
y-3=0

x=9-y
y=3

x=9-3
y=3

x=6
y=3

Pozdrawiam :PP
12 3 12