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A10 Math
Question 13
2017 December(A10) Math Question 13
Equation of a Line
- Systems of Equations
Choice A
x
+
2
y
=
2
(
g
i
v
e
n
)
⇒
x
=
2
−
2
y
(
a
)
−
2
x
+
y
=
16
(
g
i
v
e
n
)
a
n
d
(
a
)
⇒
−
2
(
2
−
2
y
)
+
y
=
16
⇒
y
=
4
⇒
x
=
2
−
2
×
4
=
−
6
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