Question

Algebra 1. i just need help with understanding multiple step equations like...

72+4-14d=36 ???? D=????

Answer 1

`72+4-14d=36\\ -14d=-40\\ d=(40)/(14)=(20)/(7)`

Answer 2

`72+4-14d=36 \\\\ 76-14d=36 \\\\ 14d=36-76 \\\\ -14d=-40 \ |:(-2) \\\\ 7d=20 \\\\ \boxed{d=(20)/(7)}`