Asked by renolo alfredo

the perimeter of a square lot is seven times the length of a side, decreased by 12. fine the length of a side.

Answers

Answered by EssKay
The perimeter of a square is four times the length of a side, so if we let x be the length of a side you can set up two formulas.

Let's set P to be the perimeter.

So P = 4x (by definition)
and P = 7x - 12

Now you can use these two formulas to calculate x, by setting them to equal each other.
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