Hola
2x-45=57
2x=57+45
2x=102
x=102÷2
x=51
comprobamos =
51+51-45=
102-45=57
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Hola
2x-45=57
2x=57+45
2x=102
x=102÷2
x=51
comprobamos =
51+51-45=
102-45=57