The answer is
x =<span> <span><span>−3/</span>17</span></span>
Answer:
to find the permiter of the shapes add up all the sides
to find the area multiply one of the sides and another side
<span>Grouping symbols organize an algebra problem that contains multiple groups. Algebraic grouping symbols.That is parentheses, brackets, braces, radicals, and fraction lines.Also show where a group starts and ends, and help to establish the order used to apply math operations.</span>