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ksusyas
@ksusyas
July 2022
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Люди, не могу решить простейшую систему уравнений!
2x+5y-15=0
3x-2y-25=0
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nafanya2014
Verified answer
Умножим первое уравнение на 2, второе на 5
4х+10у=30
15х -10у=125
сложим
19х=155
х=155/19
у=(3х-25)/2=-10/38=-5/19
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Answers & Comments
Verified answer
Умножим первое уравнение на 2, второе на 54х+10у=30
15х -10у=125
сложим
19х=155
х=155/19
у=(3х-25)/2=-10/38=-5/19