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98012
@98012
September 2021
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помогите по алгебре
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karinaabash
Задание 2:
1.а) 2х - 5 = 27
2х = 32
х = 16.
б) -3+4y=-5
4у=8
у=2
в) 2х-1=4х+3
2х-4х=3+1
-2х=4
х=-2
г) 1/3у+2=-1/6у+5
1/2у=7
у=3,5
2. а) 4-3х=16
-3х=16-4
-3х=12
х=-4
б) 5у-7=-12
5у=-5
у=-1
в) 7х-1=2х-11
7х-2х=-11=1
5х=-10
х=-2
г) 1/2у-3=1/6у-7
1/3у=4
у=12
1 votes
Thanks 1
98012
спасибо
98012
только почему ты д,е,ж,з не написала
karinaabash
ой!
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Answers & Comments
1.а) 2х - 5 = 27
2х = 32
х = 16.
б) -3+4y=-5
4у=8
у=2
в) 2х-1=4х+3
2х-4х=3+1
-2х=4
х=-2
г) 1/3у+2=-1/6у+5
1/2у=7
у=3,5
2. а) 4-3х=16
-3х=16-4
-3х=12
х=-4
б) 5у-7=-12
5у=-5
у=-1
в) 7х-1=2х-11
7х-2х=-11=1
5х=-10
х=-2
г) 1/2у-3=1/6у-7
1/3у=4
у=12