WOLFRAM
|
DEMONSTRATIONS PROJECT
Solution of Two Equations in Two Unknowns
a
x
+
b
y
=
c
a
2
b
3
c
5
d
x
+
e
y
=
f
d
3
e
4
f
2
r
e
s
e
t
C
o
n
s
i
d
e
r
t
h
e
s
y
s
t
e
m
o
f
e
q
u
a
t
i
o
n
s
:
2
x
+
3
y
=
5
3
x
+
4
y
=
2
T
o
s
o
l
v
e
t
h
i
s
s
y
s
t
e
m
,
w
e
u
s
e
d
e
t
e
r
m
i
n
a
n
t
s
:
x
=
Δ
x
Δ
,
y
=
Δ
y
Δ
w
h
e
r
e
:
Δ
=
a
e
-
b
d
=
-
1
Δ
x
=
c
e
-
b
f
=
1
4
Δ
y
=
a
f
-
c
d
=
-
1
1
T
h
e
s
y
s
t
e
m
o
f
e
q
u
a
t
i
o
n
s
h
a
s
a
u
n
i
q
u
e
s
o
l
u
t
i
o
n
.
T
h
e
t
w
o
s
t
r
a
i
g
h
t
l
i
n
e
s
i
n
t
e
r
s
e
c
t
i
n
t
h
e
p
o
i
n
t
:
(
-
1
4
,
1
1
)
T
h
i
s
D
e
m
o
n
s
t
r
a
t
i
o
n
s
o
l
v
e
s
t
w
o
e
q
u
a
t
i
o
n
s
i
n
t
w
o
u
n
k
n
o
w
n
s
u
s
i
n
g
d
e
t
e
r
m
i
n
a
n
t
s
.
