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The short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than an unknown number of inches.

If the perimeter of the rectangle is 22 inches, what is the value of the unknown number?

____ inches

plz help!

Respuesta :

perimeter = 2 +2+x-3+x-3=2x-2
22=2x-2
2x=24
x=12
Unknown number is 12
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