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taurus [48]
3 years ago
14

B) 2(x-3) + X = 5x-2(x+5)

Mathematics
1 answer:
aleksandrvk [35]3 years ago
4 0

Answer:

X=x−4

Step-by-step explanation:

2(x−3)+X=5x−2(x+5)

Use the distributive property to multiply 2 by x−3.

2x−6+X=5x−2(x+5)

Use the distributive property to multiply −2 by x+5.

2x−6+X=5x−2x−10

Combine 5x and −2x to get 3x.

2x−6+X=3x−10

Subtract 2x from both sides.

−6+X=3x−10−2x

Combine 3x and −2x to get x.

−6+X=x−10

Add 6 to both sides.

X=x−10+6

Add −10 and 6 to get −4.

X=x−4

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Answer:

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Step-by-step explanation:

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A number that divided by 3 leaves 2, divided by 5 leaves 3 and divided by 7 leaves 2. What is the number?
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7 0
3 years ago
Which of the values in the set {2, 3, 4, 5} is a solution to the equation 2x + 4 = 10?
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Elena-2011 [213]
For this case we have the following equation:
 S = 0.159 + 0.118logD
 Substituting S = 0.2 we have:
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 From here, we clear the value of D.
 We have then:
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The average diameter, D, of the sand particles for a beach is:
 
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