(3х+12у-4х=4х+2у
(7х-35у+6х=3х+12у+27
(-5х+10у=0
(10х-47у=27
(-10х+20у=0
(-27у=27
(х=0-20у:-5
(у=-1
(х=-4
Ответ:(-4;-1)
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(3х+12у-4х=4х+2у
(7х-35у+6х=3х+12у+27
(-5х+10у=0
(10х-47у=27
(-10х+20у=0
(10х-47у=27
(-27у=27
(х=0-20у:-5
(у=-1
(х=-4
Ответ:(-4;-1)