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san1508andreas
@san1508andreas
November 2021
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ПОМОГИТЕ РЕШИТЬ СИСТЕМУ
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zhenyaM2002
Verified answer
{ x - 8y = 1
{ 5x + 8y = 53
Способ сложения:
(х - 8у) + (5х + 8у) = 1 + 53
(х + 5х) + (-8у + 8у) = 54
6х = 54
х = 54 : 6
х = 9
9 - 8у = 1
-8у = 1 - 9
-8у = - 8 |÷ (-8)
y = 1
Ответ : ( 9 ; 1 ) .
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Answers & Comments
Verified answer
{ x - 8y = 1{ 5x + 8y = 53
Способ сложения:
(х - 8у) + (5х + 8у) = 1 + 53
(х + 5х) + (-8у + 8у) = 54
6х = 54
х = 54 : 6
х = 9
9 - 8у = 1
-8у = 1 - 9
-8у = - 8 |÷ (-8)
y = 1
Ответ : ( 9 ; 1 ) .