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alinatsikunova1
@alinatsikunova1
July 2022
2
10
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решите способом сложения систему уравнений
{-х+у=4
{х+у=6
пж срочно
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roman44
Складываем, получается: 2у=10; у=5; х=1. Ответ: 5;1
2 votes
Thanks 1
maurer22
{-х+у = 4
{х+у = 6
{х = 6-у
{-(6-у)+у = 4
-6+у+у = 4
2у = 10
у = 5
х = 6-у
х = 6-5
х = 1
2 votes
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Answers & Comments
{х+у = 6
{х = 6-у
{-(6-у)+у = 4
-6+у+у = 4
2у = 10
у = 5
х = 6-у
х = 6-5
х = 1