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Class XII
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Chapter 3
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Substitution method
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Quiz
Class X
Quick check : Substitution
6 questions
Question 1 of 6
Score:
0
/ 0
Solve:
x
+
y
=
14
,
x
−
y
=
4
x + y = 14, x - y = 4
x
+
y
=
14
,
x
−
y
=
4
.
A
(
9
,
5
)
(9, 5)
(
9
,
5
)
B
(
5
,
9
)
(5, 9)
(
5
,
9
)
C
(
10
,
4
)
(10, 4)
(
10
,
4
)
D
(
7
,
7
)
(7, 7)
(
7
,
7
)
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