addisynshepherd
20.11.2020 •
Mathematics
7 times a number plus 3 times the same number is -50. What is the number?
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Ответ:
n= -5
Step-by-step explanation:
7n+3n= -50
solve 10n=-50 n= -5
Ответ:
gfbtrrhthgtedthrdge