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DaniilM [7]
4 years ago
15

What is 2(x + 4)=2(-8- x) - 2x

Mathematics
1 answer:
Maru [420]4 years ago
6 0

Answer:

You want to solve for x, the first thing you need to do is distribute

The 2 through the x+4 then the other 2 through the -8-x

2(x+4)= 2x+8

2(-8-x)= -16-2x

2x+8=-16-2x-2x (combine like terms on the right side)

2x+8=-16-4x (now subtract 8 from each side)

2x=-24-4x (8-8=0, -16-8=-24) (now add 4x to each side)

6x=-24 (-4x+4x=0, 2x+4x=6x), (divide each side by 6)

x=-4 (6/6=1, -24/6=-4)

x=-4

Hope this helps ;)

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When asked to rewrite the expression (x3 + 2x? – x)-(-x3 + 2x2 + 6), Denise made a mistake. She did not get the correct answer,
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Answer:

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Step-by-step explanation:

It looks like she didn't fully distribute the -

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~

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I hope this helps ^-^

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which answer?

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..........

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