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SatanRover
@SatanRover
June 2022
1
21
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Решите уравнения.
1) 4*(х+1/2)=1/2*(2х-8)
2) 4х-30=6х-14
3) -3в-22=-7в+18
4) 1/6*(6а-12)=9
5) 0,7с-11=-0,4с
6) 1/2х-1/3=1/6
7)-36-2х=-8х-18
8) 3,7с+3,5=0,7с-8,5
9)3*(1/3а+1/3)=1/4*(8а+12)
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selmash21
1)4х+2=х-4
4х-х=-4-2
3х=-6
х=-6/3=-2
2)4х-6х=-14+30
-2х=16
х=16/-2=-8
3)-3в+7в=18+22
4в=40
в=40/4=10
4)а-2=9
а=9+2=11
5)0,7с+0,4с=11
1,1с=11
с=11/1,1=10
6)1/2х=1/6+1/3
1/2х=3/6
1/2х=1/2
х=1
7)-2х+8х=-18+36
6х=18
х=18/6=3
8)3,7с-0,7с=-8,5-3,5
3с=-12
с=-12/3=-4
9)а+1=2а+3
1-3=2а-а
а=-2
1 votes
Thanks 1
SatanRover
5у+7,31=6у+7,31 реши вот этот
selmash21
7,31-7,31=6у-5у у=0
SatanRover
спасибо
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Answers & Comments
4х-х=-4-2
3х=-6
х=-6/3=-2
2)4х-6х=-14+30
-2х=16
х=16/-2=-8
3)-3в+7в=18+22
4в=40
в=40/4=10
4)а-2=9
а=9+2=11
5)0,7с+0,4с=11
1,1с=11
с=11/1,1=10
6)1/2х=1/6+1/3
1/2х=3/6
1/2х=1/2
х=1
7)-2х+8х=-18+36
6х=18
х=18/6=3
8)3,7с-0,7с=-8,5-3,5
3с=-12
с=-12/3=-4
9)а+1=2а+3
1-3=2а-а
а=-2