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sjamelia
09.09.2021 •
Mathematics
If 8 is subtracted from seven times a certain number, the result is the same as if 28 is added to three times the number. Find the number.
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Ответ:
-2
Step-by-step explanation:
Sol`n:
A/C to the question,
A certain number be x,
Then,
8-7x=28+3
or,8-28=3x+7x
or,-20=10x
or,-20/10=10x
or,-2=x
or, x=-2
Therefore , The number is -2.
Ответ:
C
Step-by-step explanation:
You know it's linear because it's a line :)
Please mark Brainliest!~