Решите 2 срочно а и б

Question

Решите 2 срочно а и б

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Answer 1

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Answer 2

4хкв. +20х+25-4хкв.-2х+6х+3 = 4

24х= 4-25-3

24х=24 х=1

 

3х+2 + (5-х)*2 =6

3х+2+10-2х=6

Х=6-10-2

Х=-6