\(- 23 d + 81 \leq -98 d + 1\)
Subtract 81 from both sides :
\(-23 d + 81-81 \leq -98d+1 -81\)
\(-23d \leq -98d-80\)
Add 98d to both sides:
\(-23d +98 d \leq -98d-80+98d\)
\(75d \leq -80\)
Divide both sides by 75 :
\(\frac{75d}{75} \leq \frac{-80}{75}\)
\(d \leq =- \frac{16}{15}\)
hope this helps!.
