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professor190 [17]

3 years ago

14

8 times the difference of 2 and a number

2 answers:

Nataly [62]3 years ago

6 0

Difference of a number and 2: (x - 2) Eight times the difference of a number and 2: 8(x - 2) The sum of the number and 3: (x + 3) Three times the sum of the number and 3: 3(x + 3) Eight times the difference of a number and 2 is the same as 3 times the sum of the number and 3: 8(x - 2) = 3(x + 3) Now just solve for x. 8x - 16 = 3x + 9 5x = 25 x = 5 The number is x = 5

ankoles [38]3 years ago

3 0

Hello There!

It would be 8(2-x)

Hope This Helps You!
Good Luck :)

- Hannah ❤

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GEOMETRY HELPP -- WILL MARK BRAINLIEST

lukranit [14]

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Step-by-step explanation:

S11°W = 259° on a unit circle

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3 0

3 years ago

Can y'all please help.

sattari [20]

Answer:

See explanation

Step-by-step explanation:

<u>Step 1.</u> Substitute for d to solve for n:

From the first equation:

$d=70-n$

Then substitute it into the second equation:

$0.1(70-n)+0.05n=5.5\\ \\7-0.1n+0.05n=5.5\\ \\7+(-0.05n)=5.5\\ \\-0.05n=5.5-7=-1.5\\ \\n=\dfrac{-1.5}{-0.05}=30$

<u>Step 2:</u> Substitute for n to solve for d:

$d+n=70\\ \\d+30=70\\ \\d=70-30=40$

There are 40 dimes and 30 nikels in the piggy bank

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3 years ago