Решите уравнение срочно!!!
1. 5х+11=36
2. 10х=8х-5
3. 7,5х-2=7,4х-4
4. 5-(х-7)=3(х-4)-27
1. 5х+11=36
2. 10х=8х-5
3. 7,5х-2=7,4х-4
4. 5-(х-7)=3(х-4)-27
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Answers & Comments
Ответ:1.) 5
Пошаговое объяснение:
5х+11=36
5х=36-11
5х=25
Х=5
2)
10х=8х-5
10х-8х=-5
2х=-5
Х=-5/2
Х=-2.5