SOLUTION: If a+b=6, b+c=−3, and a+c=5, what is the value of a+b+c?
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-> SOLUTION: If a+b=6, b+c=−3, and a+c=5, what is the value of a+b+c?
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Question 1075863
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If a+b=6, b+c=−3, and a+c=5, what is the value of a+b+c?
Answer by
ikleyn(52794)
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HINT: add all three equations (both sides) and look what you get.
Then divide both sides by 2.
H a p p y l e a r n i n g !