x=3+y
5(3+y)=2y
15+5y=2y
3y=-15
y=-5
x=3+(-5)=3-5=-2
x=-2
SPRAWDZENIE
x-y=3
-2-(-5)=3
-2+5=3
2y = 5(3+y)
2y=15+5y
2y - 5y = 15
-3y = 15 (obustronnie przez -3)
x+5 = 3
x= 3-5
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x=3+y
5(3+y)=2y
15+5y=2y
3y=-15
y=-5
x=3+y
x=3+(-5)=3-5=-2
x=-2
y=-5
SPRAWDZENIE
x-y=3
-2-(-5)=3
-2+5=3
x=3+y
2y = 5(3+y)
2y=15+5y
2y - 5y = 15
-3y = 15 (obustronnie przez -3)
y=-5
x+5 = 3
x= 3-5
x=-2