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аиб123
@аиб123
July 2022
1
1
Report
1) 6-2у=8-3у 2)15х+3=10х-12 3)-5х-11= -6х-12 4)3х+5=3х-15 5) 5(х+3)=27+3х 6)3у+(4-2у)=6 7)5у-(13+у)=у+14 8)3(2х-4)-2(х+3)= -3
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Answers & Comments
mixai3
1)6-2y=8-3y
8-6=-2y+3y
2=y
y=2
2)15x+3=10x-12
15x-10x=-12-3
5x=-15
x=-3
3)-5х-11= -6х-12
-5x+6x=-12+11
x=-1
4)3x+5=3x-15
3x-3x=-15-5
0x=-20
корней нет
5)5(x+3)=27+3x
5x+15=27+3x
5x-3x=27-15
2x=12
x=6
6)3y+(4-2y)=6 7(непонятно какое действие)
7)5y-(13+y)=y+14
5y-13-y=y+14
5y-y=14+13
4y=27
y=6 3\4
8)3(2x-4)-2(x+3)=-3
6x-12-2x-6=-3
4x=-3+12+6
4x=15
x=3 3\4
2 votes
Thanks 4
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Report "1) 6-2у=8-3у 2)15х+3=10х-12 3)-5х-11= -6х-12 4)3х+5=3х-15 5) 5(х+3)=27+3х 6)3у+(..."
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Answers & Comments
8-6=-2y+3y
2=y
y=2
2)15x+3=10x-12
15x-10x=-12-3
5x=-15
x=-3
3)-5х-11= -6х-12
-5x+6x=-12+11
x=-1
4)3x+5=3x-15
3x-3x=-15-5
0x=-20
корней нет
5)5(x+3)=27+3x
5x+15=27+3x
5x-3x=27-15
2x=12
x=6
6)3y+(4-2y)=6 7(непонятно какое действие)
7)5y-(13+y)=y+14
5y-13-y=y+14
5y-y=14+13
4y=27
y=6 3\4
8)3(2x-4)-2(x+3)=-3
6x-12-2x-6=-3
4x=-3+12+6
4x=15
x=3 3\4