Answer:
Step-by-step explanation:
[tex]2+x-(3-z)\\ x=6\\ z=1\\= 2+6-(3-1)\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left(3-1\right)\::\quad 2\\=2+6-2\\\\\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:2+6-2\:\\:\quad 6[/tex]