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Лерочка4444
@Лерочка4444
June 2022
1
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помогите решить систему
7х+у - 5х-у=х+у
------- -------- -------
3 2 6
фигурная скобка в переди
9х-2у+ 7+4у=х+у
--------- -------- ----- +4
8 6 3
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гюйс
Verified answer
(7х+у)/3 - (5х-у)/2=(х+у)/6
(9х-2у)/8 + (7+4у)/6 =(х+у)/3 +4
2(7х+у) - 3(5х - у)=х+у
3(9х-2у)+4(7+4у)=8(х+у)+4*24
14х+2у - 15х+3у=х+у
27х - 6у+28+16у=8х+8у+96
4у=2х
19х +2у=68
2у=х
19х+х=68
2у=х
20х=68
2у=х
х=3,4
х=3,4:2
х=3,4
у=1,7
х=3,4
(3,4; 1,7)
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Answers & Comments
Verified answer
(7х+у)/3 - (5х-у)/2=(х+у)/6(9х-2у)/8 + (7+4у)/6 =(х+у)/3 +4
2(7х+у) - 3(5х - у)=х+у
3(9х-2у)+4(7+4у)=8(х+у)+4*24
14х+2у - 15х+3у=х+у
27х - 6у+28+16у=8х+8у+96
4у=2х
19х +2у=68
2у=х
19х+х=68
2у=х
20х=68
2у=х
х=3,4
х=3,4:2
х=3,4
у=1,7
х=3,4
(3,4; 1,7)