Ответ:
6.3x-3y - 5.6x+8.4y=0
0.7x+5.4y=0
0.7x=-5.4y | : 0.7
x= -7.7y
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Ответ:
6.3x-3y - 5.6x+8.4y=0
0.7x+5.4y=0
0.7x=-5.4y | : 0.7
x= -7.7y