Question

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

Answer 1

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

Answer 2

$72+4-14d=36\\ -14d=-40\\ d=\frac{40}{14}=\frac{20}{7}$