Answer :

justastudent1221
x = 14
you set all the sides equal to 52 and combine like terms.
52=2x-7+x+3+x
52=4x-4
add 4 to each side
52+4=4x-4+4
56=4x
divide each side by 4
56/4=4x/4
14=x
ackahedem582

Step-by-step explanation:

Perimeter = sum of dimensions.

52 = (2x - 7) + (x + 3) + x

52 = 4x - 4

56 = 4x

hence:

x = 14.

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