angle GFE=7x+7
angle NFE=22
angle GFN=5x+5
angle GFN + angle NFE= angle GFE
5x+5+22=7x+7
in one side the terms with x and in the other side the term with out x
5x-7x=7-22-5
-2x=-20
x=-20/-2
x=10
the correct answer is A
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