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SatanRover
@SatanRover
June 2022
2
22
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Решите уравнения.
1) 2х-15=3х-7
2) 7а-18=3а+22
3) 1/7*(7у-14)=9
4) 0,3х-17=-1,4х
5) 1/2х+1/3х=5/6
6) 3у+0,999=6у+0,999
7) 1,4в+2,5=0,4в-1,5
8) 18-5а=6а-15
9) 4*(х+1/2)=1/2*(2х-8)
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Answers & Comments
valievich98
1) 2х-3х=15-7
-х=8
х=1/8
2) 7а-3а=22+18
4а=40
а=10
1 votes
Thanks 2
SatanRover
а решение где?
SatanRover
а все ясно
selmash21
1) 2х-3х=-7+15
-х=8
х=-8
2)7а-3а=22+18
4а=40
а=40/4=10
3)у-2=9
у=9+2=11
4)0,3х+1,4х=17
1,7х=17
х=17/1,7=10
5)х*(1/2+1/3)=5/6
5/6 х=5/6
х=1
6)3у-6у=0,999-0,999
-3у=0
у=0
7)1,4в-0,4в=-1,5-2,5
в=-4
8)18+15=6а+5а
33=11а
а=33/11=3
9)4х+2=х-4
4х-х=-4-2
3х=-6
х=-6/3=-2
3 votes
Thanks 3
SatanRover
я еще напишу 9 уравнений мне 18 надо решить
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Answers & Comments
-х=8
х=1/8
2) 7а-3а=22+18
4а=40
а=10
-х=8
х=-8
2)7а-3а=22+18
4а=40
а=40/4=10
3)у-2=9
у=9+2=11
4)0,3х+1,4х=17
1,7х=17
х=17/1,7=10
5)х*(1/2+1/3)=5/6
5/6 х=5/6
х=1
6)3у-6у=0,999-0,999
-3у=0
у=0
7)1,4в-0,4в=-1,5-2,5
в=-4
8)18+15=6а+5а
33=11а
а=33/11=3
9)4х+2=х-4
4х-х=-4-2
3х=-6
х=-6/3=-2