Помогите пж решить систему уравнений {4х-3у=12
3х+4у=-24
Смотреть ответ st02 st02
4x-3y=12|*3
3x+4y=-24|*4
12x-9y=36
12x+16y=-96
25y=-132
y=-132/25=-5.28
4x-3y=12
4x-3*(-132/25)=12
100x+396=300
100x=300-396
100x=-96
x=-96/100
x=-0.96
Ответ : х=-0.96; у=-132/25=-5.28
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