x+9/20=3/5 2 x+4/9=2/3 x-2/5 =9/5 x-5/2= 20/8 pomocy !!!
x+9/20=3/5 /*20
20x+9=12
20x=12-9
20x=3/:20
x=3/20
2 x+4/9=2/3 /*9
18x+4=6
18x=6-4
18x=2/:18
x=2/18
x=1/9
x-2/5 =9/5/*5
5x-2=9
5x=9+2
5x=11/:5
x=11/5
x=2 1/5
x-5/2= 20/8 /*8
8x-20=20
8x=20+20
8x=40/:8
x=5
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x+9/20=3/5 /*20
20x+9=12
20x=12-9
20x=3/:20
x=3/20
2 x+4/9=2/3 /*9
18x+4=6
18x=6-4
18x=2/:18
x=2/18
x=1/9
x-2/5 =9/5/*5
5x-2=9
5x=9+2
5x=11/:5
x=11/5
x=2 1/5
x-5/2= 20/8 /*8
8x-20=20
8x=20+20
8x=40/:8
x=5