Ответ:
Объяснение:
{x+y=2
{x²-y²=100
{x=2-y
{(2-y)²-y²=100
{4-4y+y²-y²=100
{-4y=100-4
{y=-24
{x=26
2.
{x+y=-5
{x²-y²=5
{x=-5-y
{(-5-y)²-y²=5
{25+10y+y²-y²=5
{10y+25=5
{10y=5-25
{10y=-20
{y=-2
{x=-3
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Answers & Comments
Ответ:
Объяснение:
{x+y=2
{x²-y²=100
{x=2-y
{(2-y)²-y²=100
{x=2-y
{4-4y+y²-y²=100
{x=2-y
{-4y=100-4
{x=2-y
{y=-24
{x=26
{y=-24
2.
{x+y=-5
{x²-y²=5
{x=-5-y
{(-5-y)²-y²=5
{x=-5-y
{25+10y+y²-y²=5
{x=-5-y
{10y+25=5
{x=-5-y
{10y=5-25
{x=-5-y
{10y=-20
{x=-5-y
{y=-2
{x=-3
{y=-2