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Маленькийг
@Маленькийг
July 2022
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Решите систему методом сложения
3u-2v=12
4u+3v= -1
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svetazuna
3u-2v=12 [x4
4u+3v=-1 [x-3
12u-8v=48
-12u-9v=3
12u-8v-12u-9v = 48+3
-17v = 51
v = -3
из 1 уравнения: u = (12+2v)/3=(12+2*(-3))/3=2
ответ: u=2, v=-3
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Answers & Comments
4u+3v=-1 [x-3
12u-8v=48
-12u-9v=3
12u-8v-12u-9v = 48+3
-17v = 51
v = -3
из 1 уравнения: u = (12+2v)/3=(12+2*(-3))/3=2
ответ: u=2, v=-3