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max2010maxim [7]
3 years ago
6

Expand the brackets 7x+5-3(x-4)

Mathematics
1 answer:
aleksklad [387]3 years ago
8 0

Answer:

7x+5-3x+12

7x-3x+12+5

4x+17

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We can reject the last one: subtracting a non-zero value will result in a smaller value.

So now we have:

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If all of them are mulptiplications, then they are all equivalent!

I mean by this, if what you meant is this:

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If there is no sign, then the multiplication sign is implicit,


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3 years ago
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Answer:

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Step-by-step explanation:

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Hence,

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