Book a Demo
Topics
9
.
E
x
p
r
e
s
s
i
o
n
s
9
.
0
1
R
e
p
r
e
s
e
n
t
i
n
g
a
l
g
e
b
r
a
i
c
e
x
p
r
e
s
s
i
o
n
s
9
.
0
2
T
r
a
n
s
l
a
t
i
n
g
e
x
p
r
e
s
s
i
o
n
s
a
n
d
e
q
u
a
t
i
o
n
s
9
.
0
3
S
u
b
s
t
i
t
u
t
i
n
g
i
n
t
o
a
l
g
e
b
r
a
i
c
e
x
p
r
e
s
s
i
o
n
s
Lesson
Practice
9
.
0
4
E
q
u
i
v
a
l
e
n
t
e
x
p
r
e
s
s
i
o
n
s
Log in
Sign up
Book a Demo
United States of America
VA
Grade 5
9.03 Substituting into algebraic expressions
Lesson
Practice
Lesson
Share
What is Mathspace
About Mathspace
