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Phantasy [73]
3 years ago
9

5x-(6-2(x+3))solve and explain

Mathematics
2 answers:
Elena-2011 [213]3 years ago
5 0
5x−(6−2(x+3))

Distribute the Negative Sign

=5x+−1(6−2(x+3))

=5x+(−1)(6)+−1(−2(x+3))

=5x+−6+2x+6

Distribute

=5x+−6+2x+6

Combine Like Terms

=5x+−6+2x+6

=(5x+2x)+(−6+6)

=7x

Luden [163]3 years ago
4 0
The answer is =7x
you do the ones in the parentheses first -(6)-(2(x+3))
so distribute parentheses then use apply minus-plus rules to get
-6+2(x+3) then add the 5x to it 5x-6+2(x+3) then you expand it so do
2(x+3) and then use distribute parentheses to make 2x+2*3 then multiple the numbers 2*3=6 
then put it all together 5x-6+2x+6 and solve first group/combine like terms
5x+2x=7x then do 7x-6+6= 0 the 6 plus a -6 to make 0 so the answer is 7x

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Nadya [2.5K]

Answer:

390cm³

Step-by-step explanation:

IF you look at the figure attached, you will see that your figure is made up of 3 rectangular prisms.

All you need to do is solve for the volume of each prism and add them up together.

The formula to use to get the volume of a rectangular prism is:

V=whl

Where:

V = Volume

w = width

l = length

h = height

Let's get the first one and double it because you have rectangular prisms with the same dimensions:

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Next we get the rectangular prism in the middle:

Notice that the height of the side rectangular prisms is 12 cm. To get the height of the middle figure, just subtract 5cm and 2 cm from the height because they are the excess of the middle.

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4 0
3 years ago
I need to find the value of x with the given information
Vika [28.1K]

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6 0
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Answer:

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8 0
3 years ago
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