Respuesta :

when add expressions for example -3+-2it would equal positive 5
[tex]-3/2 - (2-3/8)+ 3/2 [/tex] 

[tex] -\dfrac{3}{2}- \dfrac{13}{8} +\dfrac{3}{2} [/tex] 

[tex]= - \dfrac{13}{8} [/tex]