kroe417
18.05.2021 •
Mathematics
Which expression is equivalent to (7s - 21)-(3s - 4st + 7t)?
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Ответ:
4s+4st-21-7t
Step-by-step explanation:
(7s-21)-(3s-4st+7t)
7s-21-3s+4st-7t
7s-3s-21+4st-7t
4s-21+4st-7t
4s+4st-21-7t
Ответ:
answer: 234
step-by-step explanation: