Предмет: Алгебра, автор: PollyNya12

Розв'язати систему рівнянь способом додавання. Срочно!
3y-2y=-2
5x+2y=22

nicolaenco2005: А там точно 2у?

nicolaenco2005: *3у

Ответы

Автор ответа: dasha2022cybu

0

1) 3у-2у=-2

(3-2)у=-2

1у=-2

у=-2

2)5х+2у=22

5х+2*0=22

5х+0=22

5х=22

х=22/5

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