8 + 7(x + 2) = 1
8 + 7x + 14 = 1
7x = -21
x = -3
Ответ: x = -3
1 + 8(3x + 7) = 9
1 + 24x + 56 = 9
24x = -48
x = -2
Ответ: x = -2
5 - 6(-2x + 5) = -1
5 + 12x - 30 = -1
12x = 24
x = 2
Ответ: x = 2
1 + 8(-x + 10) = 9
1 - 8x + 80 = 9
-8x = -72
x = 9
Ответ: x = 9
-3(8 + x) + 6x = -3
-24 - 3x + 6x = -3
3x = 21
x = 7
Ответ: x = 7
-8(3 + x) + x = 4
-24 - 8x + x = 4
-7x = 28
x = -4
Ответ: x = -4
7(-6 - x) - 4x = -9
-42 - 7x - 4x = -9
-11x = 33
x = -3
Ответ: x = -3
-2(-5 - 3x) - 5x = -2
10 + 6x - 5x = -2
x = -12
Ответ: x = -12