" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)=8,1
b)=4
c)=6
x= 5,1+ 3,5x I -3,5x
-2,5x=5,1 I :(-2,5)
x=2,04
b) 7x /2 + 2x / 3= 11x + 13 2/3
21x /6 + 4x /6 = 11x + 13 2/3
25x /6 = 11x + 13 2/3
25x : 6= 11x + 41 /3 I -11x
14x :6 = 41 /3
2 1/3 x = 41 /3
7/3x = 41 /3 I: 7/3
x = 41/3 * 3/7 = 41 /7 = 5 6/7
c) niestety nie umiem zrobić