March 2022 0 7 Report
Решите систему уравнений:
1) {2x=7, 2) {3x-y=6,
6x-y=10. X+4y=14 Смотреть ответ ceratos ceratos 1.
2x=7
y+10=6x
.
x=3,5
y+10=21
.
x=3,5
y=11
2.
3x-y=6
x+4y=14
.
3x=y+6
x=14-4y
.
x=14-4y
y+6=42-12y
.
x=14-4y.
13y=36
.
x=8 10/13
y=2 10/13
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