An
algebraic
____________________
is
any
combination
of
____________________
and
____________________
linked
by
the
basic
operations
of
addition
,
subtraction
,
____________________
,
division
,
empowerment
and
filing
.
The
lyrics
,
which
tend
to
represent
unknown
quantities
,
are
called
____________________
or
unknowns
and
____________________
numbers
.
