Answer:
n = 1.2
Step-by-step explanation:
[tex]8.8n + 15 - 4.3n = 20.4[/tex]
Collect like terms and simplify
[tex]8.8n - 4.3n = 20.4 - 15 \\ 4.5n = 5.4[/tex]
Divide both sides of the equation by 4.5
[tex] \frac{4.5n}{4.5} = \frac{5.4}{4.5} [/tex]
Simplify
[tex]n = 1.2[/tex]
