Question

solve.

1. $8n - 3n = 40$

Explanation:

Step1: Combine like terms

$8n - 3n = (8 - 3)n = 5n$, so the equation becomes $5n = 40$.

Step2: Solve for n

Divide both sides of the equation $5n = 40$ by 5: $n=\frac{40}{5}=8$.

Answer:

$n = 8$