Ответ:
(3; -1)
Объяснение:
7(2x+3y)+2(3x-2y)=43
5(3x+2y)-2(5x-y)= 3
14x+21y+6x-4y=43
15x+10y-10x+2y=3
20x+17y=43
5x+12y=3
20x+48y= 12
-31y=31
y= -1
x= (3+12)/5= 3
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Verified answer
Ответ:
(3; -1)
Объяснение:
7(2x+3y)+2(3x-2y)=43
5(3x+2y)-2(5x-y)= 3
14x+21y+6x-4y=43
15x+10y-10x+2y=3
20x+17y=43
5x+12y=3
20x+17y=43
20x+48y= 12
-31y=31
y= -1
x= (3+12)/5= 3