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9=7+a a+8=b+5 value of b
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9=7+a a+8=b+5 value of b

User Anastasio
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B is 5, you can solve this by first finding the value of a, which is 2, and then plug it into the other equation. 8+2=10 so we must also make the other side 10. We then do 10-5=5, 5 is the value of b
User Narea
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