" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x-x=28-13
x=15
Comprobacion:
13+2(15)=28+5
13+30=33
33=33
2)25-2x=90-7
25-2x=83
-2x=83-25
x=58/-2
x=-29
Comprobacion:
25-2(-29)=90-7
25+58=83
83=83
3)3x+2=26-x
3x+x=26-2
4x=24
x=24/4
x=6
Comprobacion:
3(6)+2=26-6
18+2=20
20=20