" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a+4+a=3
2a+4=6
2a=2
a=1
b)3y czwartych-4 piąte=4 piąte y +1 piąta -y-1 /pomnożyć przez 20
15y-16=16y+4-20y-20
19y=0
y=0