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25.08.2021 •
Mathematics
7−2t≤21 write the solution in
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Ответ:
t≥-7
Step-by-step explanation:
7−2t≤21
Subtract 7 from each side
7-7−2t≤21-7
−2t≤14
Divide each side by -2, remember to flip the inequality
-2t/-2 ≥14/-2
t≥-7
Ответ: