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Ответ

Ответ дан
yatama
-18х+12=-3х+12
15х=0
х=0

6b+6=-5b-5
11b=-11
b=-1

7-5+x=2-3
x=-3

-4c+2c+2=14-2c
0c=12
Нет решения

Ответ

Ответ дан
Golovolomka1111
38) - 6 times (3x - 2) = ( - x + 4) times 3 \ - 18x + 12 = - 3x + 12 \ - 18x + 3x = - 12 + 12 \ - 18x + 3x = 0 \ - 15x = 0 \ x = 0
39)6 times (b + 1) = 5 times ( - b - 1) \ 6b + 6 = - 5b - 5 \ 6b + 5b = - 6 - 5 \ 11 b = - 11 \ b = - 1
40)7 - (5x - x) = 2 - 3 \ 7 - 4x = - 1 \ - 4x = - 7 - 1 \ - 4x = - 8 \ x = 2
41) - 4c + (c + 1) times 2 = 14 - 2c \ - 4c + 2c + 2 = 14 - 2c \ - 2c + 2 = 14 - 2c \ - 2c + 2c = 14 - 2 \0 c = 12 \ c = 0
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