Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Find the ordered pair
(
x
,
y
)
(x,y)
(
x
,
y
)
that satisfies both equations:
2
x
−
y
=
1
2x-y=1
2
x
−
y
=
1
and
x
+
y
=
5
x+y=5
x
+
y
=
5
. a)
(
1
,
4
)
(1,4)
(
1
,
4
)
b)
(
3
,
2
)
(3,2)
(
3
,
2
)
c)
(
2
,
3
)
(2,3)
(
2
,
3
)
d)
(
4
,
1
)
(4,1)
(
4
,
1
)
Browse the problem library