Выразите из равенства переменную X СРОЧНО!!!
4x+4y=12
5x-y=10
3(x-2y)=1
2(x+4)=5y
(x-1)y=4
(2x+3)y=10
4x+4y=12
5x-y=10
3(x-2y)=1
2(x+4)=5y
(x-1)y=4
(2x+3)y=10
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Answers & Comments
1)4х=12-4у
х=4(3-у)/4
х=3-у
2)5х=10+у
х=10-у/5
3)3х-6у=1
3х=1+6у
х=1-6у/3
4)2х+8=5у
2х=5у-8
х=5у-8/2
5)ху-у=4
Ху=4+у
х=4+у/у
6)2ху+3у=10
2ху=10-3у
х=10-3у/2у