РЕШИТЕ ПОЖАЛУЙСТА УРАВНЕНИЯ:а)5х+(3х-3)=6х+11б)5(3у-4)=20у-10в)1/6у-1/2=3-1/2уг)-9х=-3
5х+(3х-3)=6х+11
5х+3х-3=6х+11
5х+3х-6х=11+3
2х=14
х=7
5(3у-4)=20у-10
15у-20=20у-10
15у-20у=-10+20
-5у=10
у=-2
1/6у-1/2=3-1/2у
1\6у + 1\2у = 3 + 1\2
1\6у + 3\6у = 7\2
4\6у = 7\2
2\3у = 7\2
4у = 21
у = 5.25
-9х=-3
х=1/3
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5х+(3х-3)=6х+11
5х+3х-3=6х+11
5х+3х-6х=11+3
2х=14
х=7
5(3у-4)=20у-10
15у-20=20у-10
15у-20у=-10+20
-5у=10
у=-2
1/6у-1/2=3-1/2у
1\6у + 1\2у = 3 + 1\2
1\6у + 3\6у = 7\2
4\6у = 7\2
2\3у = 7\2
4у = 21
у = 5.25
-9х=-3
х=1/3