" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b)
-x-3=x-4
-x-x=-4+3
-2x=-1 /:(-2)
x=1/2
c)
5=3+7x
5-3=7x
7x=2 /:7
x=2/7
d)
1/2x=11 /*2
x=22