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Answer:
Assume x is directly proportional to y :

when y is 9, x is 2:
substitute to find value of k :

Therefore, equation is:

Side length = 16.7 cm
Solution:
Perimeter of a square given = 66.8 cm
In a square four sides are equal.
The perimeter of a square = 4 × side
⇒ 4 × side = 66.8 cm
Divide both sides of the equation by 4 to equal the expression.
⇒ side = 66.8 ÷ 4
⇒ side = 
⇒ side = 16.7 cm
Hence, the side length of the square is 16.7 cm.
Answer:
No Solution
Step-by-step explanation:
|-x| always = | x |
| x | = - 10
If x = 10, It does not equal to - 10
If x = -10, It becomes 10 because its an absolute value, So it does not equal to -10
So, there is No Solution