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Aselek2905
@Aselek2905
July 2022
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Линейные уравнения
7-3x=4x-9
6a-1=3a+7
10y-3=5+3y
9-7y=2,5-3y
3,2-5a= -1,8a+4
0,8x-3,5= -1,2x+0,5
8,6x-3,7=7,6x-5
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Answers & Comments
ник3709
1)4х+3х=7+9; 7х=16; х=16/7=2 2/7.
1)6а-3а=7+1; 3а=8; а=8/3; а=2 2/3.
3)10у-3у=5+3; 7у=8; у=8/7; у=1 1/7.
4)5а-1,8а=-4+3,2; 3,2а=-0,8; а=-0,8/3,2; а=-1/4.
5)0,8х+1,2х=0,5+3,5; 2х=4; х=2.
8,6х-7,6х=-5+3,7; х=-1,3.
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Answers & Comments
1)6а-3а=7+1; 3а=8; а=8/3; а=2 2/3.
3)10у-3у=5+3; 7у=8; у=8/7; у=1 1/7.
4)5а-1,8а=-4+3,2; 3,2а=-0,8; а=-0,8/3,2; а=-1/4.
5)0,8х+1,2х=0,5+3,5; 2х=4; х=2.
8,6х-7,6х=-5+3,7; х=-1,3.