Ответ:
2x+3x+3y-11=0
5x=-3y+11
x=-3/5y+11/5
7x+21-6x+5y=0
-3/5y+21y=-59-11/5
-3y+105y=-295-11
y=-306/102
y=-3
x=2,4
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Ответ:
2x+3x+3y-11=0
5x=-3y+11
x=-3/5y+11/5
7x+21-6x+5y=0
-3/5y+21y=-59-11/5
-3y+105y=-295-11
y=-306/102
y=-3
x=2,4