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Valeriy2002Nin
@Valeriy2002Nin
July 2022
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Элариона
11.
а)(2х + 1) + 3х = 11 б)(х - 5) - ( 2 - 2х) = 6
2х + 1 + 3х = 11 х - 5 - 2 + 2х = 6
2х + 3х = 11 - 1 х + 2х = 6 + 5 + 2
5х = 10 3х = 13
х = 10 : 5 х = 13 : 3
х = 2 х ≈ 4
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Answers & Comments
а)(2х + 1) + 3х = 11 б)(х - 5) - ( 2 - 2х) = 6
2х + 1 + 3х = 11 х - 5 - 2 + 2х = 6
2х + 3х = 11 - 1 х + 2х = 6 + 5 + 2
5х = 10 3х = 13
х = 10 : 5 х = 13 : 3
х = 2 х ≈ 4