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I need answer soon! If 70 + m + n - 20 = 80 and m = 2n, then what is the value of n? It'd be great if there was an explanation, but I'm not too picky...
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I need answer soon!

If 70 + m + n - 20 = 80 and m = 2n, then what is the value of n?

It'd be great if there was an explanation, but I'm not too picky...

User TBBle
by
8.0k points

2 Answers

0 votes

Answer:

70+2n+n-20=80

n= 10

Explanation:

User Misam
by
7.2k points
3 votes
Plug m=2n into the first equation.
70+2n+n-20=80
n= 10
User Typemismatch
by
8.3k points
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