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If a + 3b = 13 and a + b = 5, the value of b is?
a. 1
b. 4.5
c. 7
d. 4
Answers: 3
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Answers: 1
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Answers: 1
If a + 3b = 13 and a + b = 5, the value of b is?
a. 1
b. 4.5
c. 7
...
a. 1
b. 4.5
c. 7
...
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