2x-3y=2, 6x-7y= -4
2x-3y=2
2x=3y+2
x=1/2 (3y+2)
x=3/2y+1
6( 3/2y+1)−7y=−4
9y+6−7y=−4
2y+6=−4
2y=−10
y=−5
x= 3/2 (−5)+1
x=− 15/2+1
x=−13/2
Ответ: х= -13/2, у= -5
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2x-3y=2, 6x-7y= -4
2x-3y=2
2x=3y+2
x=1/2 (3y+2)
x=3/2y+1
6( 3/2y+1)−7y=−4
9y+6−7y=−4
2y+6=−4
2y=−10
y=−5
x= 3/2 (−5)+1
x=− 15/2+1
x=−13/2
Ответ: х= -13/2, у= -5