4х-6у-3х+5у= 7у-9у+2х+2у=
У-2х-у+х=
0,3у-0,1х-0,9х+0,7у-=
1/5х-2,8у-0,2х+4/5у=
-3/5у+1 1/2х+1,6у-0,5х=
1 2/5х-3,5у-2,4х+2 1/2у=
1/3у-1/3х+1/3у+1/3х+1/3у=
У-2х-у+х=
0,3у-0,1х-0,9х+0,7у-=
1/5х-2,8у-0,2х+4/5у=
-3/5у+1 1/2х+1,6у-0,5х=
1 2/5х-3,5у-2,4х+2 1/2у=
1/3у-1/3х+1/3у+1/3х+1/3у=
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