# Year 8- treasure-hunt-a4-substitution-2

```11
A
If a = 7 and b = –3
What is the value of
SUBSTITUTION 2
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a+b
–3
B
If a = 11 and b = –7
What is the value of
SUBSTITUTION 2
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a–b
4
C
If a = –7 and b = –2
What is the value of
SUBSTITUTION 2
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3a
19
D
If a = 9 and b = –6
What is the value of
SUBSTITUTION 2
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6b
27
E
If a = 8 and b = –3
What is the value of
2
SUBSTITUTION 2
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a
–1
F
If a = 9 and b = –6
What is the value of
2
SUBSTITUTION 2
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b
–36
G
If a = 9 and b = –6
What is the value of
SUBSTITUTION 2
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2a + b
36
H
If a = 9 and b = –6
What is the value of
SUBSTITUTION 2
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a + 2b
–21
I
If a = 8 and b = –3
What is the value of
SUBSTITUTION 2
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3a + b
18
J
If a = 8 and b = –3
What is the value of
SUBSTITUTION 2
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2a – b
26
K
If a = 6 and b = –9
What is the value of
SUBSTITUTION 2
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3a – b
29
L
If a = 8 and b = –3
What is the value of
SUBSTITUTION 2
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3a – 2b
64
M
If a = 7 and b = –5
What is the value of
SUBSTITUTION 2
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2a + 3b
21
N
If a = 7 and b = –5
What is the value of
SUBSTITUTION 2
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3a – b
30
O
If a = 7 and b = –5
What is the value of
SUBSTITUTION 2
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3a + 2b