" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a-b=10 => a=10+b
0,2a=0,3b
2+0,2b=0,3b
2=0,1b
b=20
a=30
2.
a+b=90 => b=90-a
a-b=10
a-90+a=10
2a=100
a=50
b=40
3.
a/b=3/7
a+b=70=> b=70-a
3b=7a
210-3a=7a
210=10a
a=21
b=49