Book a Demo
Topics
4
.
S
y
s
t
e
m
s
o
f
E
q
u
a
t
i
o
n
s
4
.
0
1
S
o
l
u
t
i
o
n
s
t
o
l
i
n
e
a
r
s
y
s
t
e
m
s
u
s
i
n
g
a
t
a
b
l
e
o
f
v
a
l
u
e
s
4
.
0
2
G
r
a
p
h
i
c
a
l
m
e
t
h
o
d
4
.
0
3
S
u
b
s
t
i
t
u
t
i
o
n
m
e
t
h
o
d
4
.
0
4
E
l
i
m
i
n
a
t
i
o
n
m
e
t
h
o
d
4
.
0
5
A
p
p
l
i
c
a
t
i
o
n
s
o
f
l
i
n
e
a
r
s
y
s
t
e
m
s
4
.
0
6
W
o
u
l
d
y
o
u
w
i
n
a
g
a
i
n
s
t
a
l
i
o
n
(
I
n
v
e
s
t
i
g
a
t
i
o
n
)
Lesson
4
.
0
7
S
o
l
v
i
n
g
l
i
n
e
a
r
s
y
s
t
e
m
s
i
n
t
h
r
e
e
u
n
k
n
o
w
n
s
Log in
Sign up
Book a Demo
Standard Level
4.06 Would you win against a lion (Investigation)
Lesson
Interactive practice questions
There are no interactive problems for this subtopic
What is Mathspace
About Mathspace
