SOLUTION: If a + 3b = 13 and a + b = 5 ,the value of b is ....
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Question 548674
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If a + 3b = 13 and a + b = 5 ,the value of b is ....
Answer by
richard1234(7193)
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Subtract the second equation from the first equation to get 2b = 8 --> b = 4.
