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Kot009
@Kot009
June 2022
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Уравнение простенькие:) решите
1/3x=5
3x-1.7=2,2
8y-13=5y-5
11x-(3x+12)=4(2x-3)
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prettypushkova
Verified answer
1/3х = 5 3х - 1,7 = 2,2
х = 5 : 1/3 3х = 2,2 + 1,7
х = 5 * 3 3х = 3,9
х = 15 х = 3,9 : 3
х = 1,3
8у - 13 = 5у - 5 11х - (3х + 12) = 4(2х - 3)
8у - 5у = - 5 + 13 11х - 3х - 12 = 8х - 12
3у = 8 8х - 8х = - 12 + 12
у = 8 : 3 0 = 0 - уравнение не имеет смысла
у = 2 2/3
2 votes
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Kot009
Спасибо благодарен
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Answers & Comments
Verified answer
1/3х = 5 3х - 1,7 = 2,2х = 5 : 1/3 3х = 2,2 + 1,7
х = 5 * 3 3х = 3,9
х = 15 х = 3,9 : 3
х = 1,3
8у - 13 = 5у - 5 11х - (3х + 12) = 4(2х - 3)
8у - 5у = - 5 + 13 11х - 3х - 12 = 8х - 12
3у = 8 8х - 8х = - 12 + 12
у = 8 : 3 0 = 0 - уравнение не имеет смысла
у = 2 2/3