x^-1 = -7
=> 1/x = -7
=> x = -1/7
=> 1/x = -7
=> x = -1/7
-
1/x = - 7
x = - 1/7
x = - 1/7
-
1/x = -7
x = -1/7
x = -1/7
-
x^-1 = -7
1/x = -7
x = -1/7
1/x = -7
x = -1/7
-
a^-1 means inverse i.e,1/a
1/a=x=>a=1/x
1/a=x=>a=1/x
-
x=-7
-7^-1=1/-7
-7^-1=1/-7