1000-7
993-7
986-7
979- 7
972-7
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944-7
937-7
930-7
923-7
916-7
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895-7
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27-7
20-7
13-7
6-7
-1
- 13 - 7х - 6х = 25 + 3х - 5 - 3
- 13 - 13х = 3х + 17
3х + 13х = - 13 - 17
16х = - 20
х = - 1,25
ответ Х = - 1,25
( 2х - 8 ) + ( 7х - 3 ) = - 16 - ( х - 5 )
2х - 8 + 7х - 3 = - 16 - х + 5
9х - 11 = - х - 11
10х = 0
Х = 0