Answer:
D). 92 units
Step-by-step explanation:
Because we are dealing with a square, set the equations equal to each other.
[tex]\frac{3}{4} x - 1= \frac{1}{2} x + 7[/tex]
[tex]3x - 4 = 2x + 28[/tex]
[tex]x = 32[/tex]
Plug this into one of the equations, because either equation will give the same answer.
[tex]\frac{1}{2} * 32 + 7[/tex]
[tex]16 + 7 = 23[/tex]
The perimeter of a square is [tex]P = 4s[/tex] (s is side)
[tex]4 * 23 = 92[/tex] units
