Answer:
-24
Step-by-step explanation:
[tex]4-2\left(7+9\right)+4\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left(7+9\right)\::\quad 16\\=4-2\cdot \:16+4\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:2\cdot \:16\::\quad 32\\=4-32+4\\=-24[/tex]
