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Question 93006: 2(b+4)+8b= my work is this correct 2 x b+2 x 4+8b
=2b+8+8b
=18b
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! 2(b+4)+8b= my work is this correct 2 x b+2 x 4+8b
=2b+8+8b
=18b
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Almost.
After 2b+8+8b you should have the following:
=10b + 8
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You cannot add these as they are not "like" terms.
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Comment: It's like adding apples and oranges.
2 apples + 8 oranges + 8 apples
= 10apples + 8 oranges
You cannot add the apples and the oranges because they
are not "like" fruit.
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Cheers,
Stan H.
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