1.na podstawie rysunku trójkata równobocznego mozna zapisac nastepujacy układ równan.
a.x-2y=4y+5
2x-y=x+2y
b.x-2y=5
x-3y=0
c.4y+2x=x+5
x+2y=4y+5
d.x+y=5+2x
x-y=3x-4
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b)
x-2y=5
x-3y=0
x=5+2y
5+2y-3y=0
x=5+2y
-y=-5(:-1)
x=5+2x5
y=5
x=15