1
x
+
y
+
3
is
an
example
of
an
algebraic
____________________
.
2
x
and
y
are
____________________
which
are
letters
that
stand
for
numbers
.
3
In
the
example
x
+
y
+
3
,
x
and
y
could
represent
any
numbers
,
so
they
could
be
called
____________________
.
4
a
x
b
is
written
as
____________________
5
A
____________________
consists
of
numbers
and
pronumerals
combined
with
multiplication
or
division
.
6
A
term
that
does
not
contain
any
pronumerals
is
called
a
____________________
term
.
7
A
____________________
is
the
number
in
front
of
a
pronumeral
.
8
To
____________________
an
expression
or
to
____________________
values
means
to
replace
each
pronumeral
in
an
expression
with
a
number
to
obtain
a
final
value
.
For
.
9
Two
expressions
are
called
____________________
when
they
are
equal
,
regardless
of
what
numbers
are
substituted
for
the
pronumerals
.
10
____________________
terms
are
terms
containing
exactly
the
same
pronumerals
,
although
not
necessarily
in
the
same
____________________
.
11
Like
terms
can
be
combined
within
an
expression
to
create
a
____________________
expression
that
is
equivalent
.
12
Numbers
should
be
written
____________________
in
a
term
and
pronumerals
are
generally
written
in
____________________
order
.
13
When
____________________
,
every
term
inside
the
brackets
must
be
multiplied
by
the
term
outside
the
brackets
.
