Question

Pls answer all questions

x - 3 = 11
2x = 10
x4=10
x + 6 = 15
3x = 15
7 = x - 6
x - 5 = -7
x6 = -12
x - 7 = -17
-4 + x = 9
-7 + x = -10
-x = 11
7x = 0
12x = 7
x3= -5

Answer 1

X=14 , 5 , 2.5 , 9 , 5 , 15 , -2 ,-2 ,-10 , 13 ,- 3 , -11 , 0 , 0.5833..., -1.666....