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Which of these pairs is consistent? | StemPy Lab
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Which of these pairs is consistent?
Mathematics
Medium
High School (9–10)
Algebra
Created by
StemPy Lab
Which of these pairs is consistent?
x
−
y
=
1
x - y = 1
x
−
y
=
1
and
2
x
−
2
y
=
2
2x - 2y = 2
2
x
−
2
y
=
2
2
x
+
y
=
4
2x + y = 4
2
x
+
y
=
4
and
4
x
+
2
y
=
9
4x + 2y = 9
4
x
+
2
y
=
9
3
x
+
3
y
=
6
3x + 3y = 6
3
x
+
3
y
=
6
and
x
+
y
=
5
x + y = 5
x
+
y
=
5
x
+
y
=
3
x + y = 3
x
+
y
=
3
and
x
+
y
=
5
x + y = 5
x
+
y
=
5
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← Look at the pair 2x + 5y = 10 and 6x + 15y = 30. Which statement is true?
Add x + y = 11 and x - y = 5. What value of x do you get? →
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