" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x=31-13
5x=18
Sumamos 31 de ambos lados:
5x+31=18+31
5x+31=49
Sacamos raíz a ambos lados:
√(5x+31)=√49
√(5x+31)=7
5x = 31-13
5x = 18
Hallar:
La respuesta es -7 y +7