Помогите пожалуйста, очень нужно. 6x-5/7= 5x-6/6. Created by 123654398543. matematika-ru

6х-5х=5/7-1х=-2/7Ответ:-2/7

6...

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Помогите пожалуйста, очень нужно.
6x-5/7= 5x-6/6

ПростоЛёка

Verified answer

6x-⁵/₇= 5x-⁶/₆
6x-5х= ⁵/₇-⁶/₆
x = ⁵/₇ - 1
x = ⁵/₇ - ⁷/₇
x = - ²/₇
проверка
6(-²/₇)-⁵/₇= 5(-²/₇)-⁶/₆
-⁶ˣ²/₇ - ⁵/₇ = -⁵ˣ²/₇-1
-¹²/₇ - ⁵/₇ = - ¹⁰/₇ - ⁷/₇
-¹⁷/₇ = - ¹⁷/₇
-2³/₇ = - 2³/₇

Answers & Comments

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