Question

решите даю 20 баллов!

-x + 4 = 10
-x + 6 = -4
x + 3 = 8
10 - x = 15
-x - 2 = -9
-x - 7 = -4

Answer 1

1) -х = 10 - 4
-х = 6
х = -6
2) -х = -4 - 6
-х = -10
х = 10
3) х = 8 - 3
х = 5
4) х = 10 - 15
х = -5
5) - х = -9 + 2
-х = -7
х = 7
5) - х = -4 + 7
-х = 3
х = -3