Solve the following equation for
x
\displaystyle {x}
x
9
(
x
+
3
)
−
2
=
−
20
\displaystyle {9}{\left({x}+{3}\right)}-{2}=-{20}
9
(
x
+
3
)
−
2
=
−
20
x
\displaystyle {x}
x
=
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