are in that situation pls tell me
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3x + 22 is the equation that represents the perimeter of the triangle. 4x + 10 is the perimeter of the rectangle. Setting the two equal:

and collecting like terms:

We find that the perimeter of both shapes is equal to 11 units.
Just put it in the calculator and divide 4 by 5 then do 3 by 5 and keep on