" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
matka x-11 x x+5
córka y-11 y y+5
x+5=2(y+5)
x-11=6(y-11)
x+5=2y+10
x-11=6y-66
x-2y=10-5
x-6y=-66+11
x-2y=5/×(-3)
x-6y=-55
-3x+6y=-15
x-6y=-55
-2x=-70/÷(-2)
x=35
x-2y=5
35-2y=5
-2y=5-35
-2y=-30/÷(-2)
y=15
x=35
y=15