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Listik2004
@Listik2004
August 2022
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Упростить выражение и найти его значение,при х=9: 13х+18х-х-5; 27х+х-18х+18;
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Oksana11295
Ответ 265
1)13*9=117
2)18*9=162
3)117+162=279
4)279-9=270
5)270-5=265
1 votes
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13х+18х-х-5=0
30х=5
х=5/30=1/6
27х+х-18х+18=0
10х=-18
х=-18/10=-1.8
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Thanks 1
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Answers & Comments
1)13*9=117
2)18*9=162
3)117+162=279
4)279-9=270
5)270-5=265
30х=5
х=5/30=1/6
27х+х-18х+18=0
10х=-18
х=-18/10=-1.8