annabelle2516
01.12.2020 •
Mathematics
Please join my padlet
The link will be in comments down below
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Ответ:
whats padlet srry i join
Step-by-step explanation:
Ответ:
7x - 21 = 4x + 20
7x - 4x = 20 + 21
3x = 41
x = 41/3
(x - 3) - 2(x + 6) = -5
x - 3 - 2x - 12 = -5
-3x - 15 = -5
-3x = -5 + 15
-3x = 10
x = -10/3