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kornilovaarina1
@kornilovaarina1
July 2022
1
6
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Пожалуйста, решите, 5 и 6
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гюйс
Verified answer
5.
3к+5р=14
к+2р=1
к=1-2р
3(1-2р)+5р=14
к=1-2р
3-6р+5р=14
к=1-2р
-р=11
к=1-2(-11)
р= -11
к=23
р= -11
6.
2а/3+5в/12=7/6
2а/5=4/5-3в/10
2а*4+5в=7*2
2а*2=4*2-3в
8а+5в=14 ( *3)
4а-3в=8 (*5)
24а+15в=70
20а-15в=40
44а=110
4а-3в=8
а=2,5
4*2,5-3в=8
а=2,5
3в=2
а=2,5
в=2/3
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Answers & Comments
Verified answer
5.3к+5р=14
к+2р=1
к=1-2р
3(1-2р)+5р=14
к=1-2р
3-6р+5р=14
к=1-2р
-р=11
к=1-2(-11)
р= -11
к=23
р= -11
6.
2а/3+5в/12=7/6
2а/5=4/5-3в/10
2а*4+5в=7*2
2а*2=4*2-3в
8а+5в=14 ( *3)
4а-3в=8 (*5)
24а+15в=70
20а-15в=40
44а=110
4а-3в=8
а=2,5
4*2,5-3в=8
а=2,5
3в=2
а=2,5
в=2/3