3 years ago

12 − (n − 6) = 3(n + 5) what is n ?

Mathematics

1 answer:

mash [69]3 years ago

5 0

Answer:

$n=\frac{3}{4}$

Step-by-step explanation:

$12-(n-6)=3(n+5)\\12-n+6=3n+15\\18-n=3n+15\\18-n+n=3n+15+n\\18=4n+15\\18-15=4n+15-15\\3=4n\\\frac{3}{4}=\frac{4n}{4}\\\frac{3}{4}=n$

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