-1 = x + 9
Subtract 9 from both sides of the equation: -1 - 9 = x + 9 - 9
so -10 = x
(1, 9)
x=-1/2
The answer to 1 over 2x plus 13 equals 9 is x equals -8.
The answer to the problem of 13 equals -4x plus 9 is x equals -1.
-11
76
3x = 8 x = 2.666
7
x=4
7
x=9 y=1
76