espiritu7470
08.03.2021 •
Mathematics
2n+3n+4n=63
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Ответ:
7
2n + 3n + 4n. = 63
9n = 63
n = 63/9
n = 7
hope it helps
Ответ:
n=7
Step-by-step explanation:
add 2n+3n+4n, which gives 9n =63
Divide by 9 on both sides, 9n/9 =63/9
n=7
If you need to confirm that's the right answer, just plug 7 back as n
2(7)+3(7)+4(7)=63
14+21+28 =63
63=63
Ответ:
boston
Explanation:
because