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D05 Math
Question 31
2021 April(D05) Math Question 31
Algebraic & Function Expressions
- Systems of Equations
System of three equations
Choice E
A
+
B
=
5
A+B=5
A
+
B
=
5
A
+
C
=
8
A+C=8
A
+
C
=
8
B
+
C
=
7
B+C=7
B
+
C
=
7
∴
A
=
3
,
B
=
2
,
C
=
5
\therefore A=3,\; B=2,\; C=5
∴
A
=
3
,
B
=
2
,
C
=
5
Skills you are tested for:
System of three equations
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