Ответ:
Пошаговое объяснение:
1) 8 - 4x + 3 + 5x = 7
11 + x = 7
x = 7 - 11
x = -4
Б) -4
2) 13 + 5x = 2 - 6x
11x = 2 - 13
11x = -11
x = -1
Г) -1
3) 6 (2x + 3) = 8 + 7x
5x = 8 - 18
5x = -10
x = -2
A) -2
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Ответ:
Пошаговое объяснение:
1) 8 - 4x + 3 + 5x = 7
11 + x = 7
x = 7 - 11
x = -4
Б) -4
2) 13 + 5x = 2 - 6x
11x = 2 - 13
11x = -11
x = -1
Г) -1
3) 6 (2x + 3) = 8 + 7x
5x = 8 - 18
5x = -10
x = -2
A) -2