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shusha [124]
2 years ago
9

GUYS HELPPPP PLEASE I RLY NEED IT RN, I NEED ANSWER #7 IM DESPERATE RN PLSSS

Mathematics
1 answer:
drek231 [11]2 years ago
8 0

Answer:

6 units

Step-by-step explanation:

The questions states that the area = perimeter.

From this we can set up an equation:

x*y=2x+2y

Since we know one of the sides is 3 we can substitue one of the variables for 3. In this case I choose y

3*x=2x+2*3\\3x=2x+6

Solving for x we get x=6.

That's our answer!

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