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Olin [163]
3 years ago
13

Help to solve -7 - 3a = 1 - 4a

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
8 0

Answer:

a =8

Step-by-step explanation:

-7 - 3a = 1 - 4a

add 3a to both sides

-7 - 3a + 3a = 1 -4a + 3a \\-7 = 1 -a

add -1 to both sides

-7 - 1 = 1 - a -1\\-8 = -a

multiply both sides by -1

-8 * (-1) = -a * (-1) \\8 = a

Evgesh-ka [11]3 years ago
6 0

Answer:

-7 - 3a = 1 – 4a  

Step one: Add 4a to -3a  

 

-7 + a = 1  

 

Step two: Add 7 to 1  

 

A = 8  

 

You're done! A=8 for this problem!  

 

 

Hopefully this helps! Feel free to mark brainliest!  

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sleet_krkn [62]
<h3>Answer: Choice A) 1/7, 3/7, 4/7, 6/7</h3>

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Explanation:

All of the fractions, for each of the answer choices, has a denominator of 7. This means we can ignore them when it comes to sorting out the fractions. Focus only on the numerators.

  • Choice A has numerators 1,3,4,6 in that order from left to right. This is in increasing order (ie smallest to largest), so this is why choice A is the answer.
  • Choice B has the numerators 6,4,3,1 in that order. This is from largest to smallest, which is the complete opposite of what we want. Choice B is incorrect.
  • Choice C has numerators 1,6,4,3 which is in neither order. Rule this out as well.
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If you want, you can convert each fraction to decimal form to sort out the decimals that way, then convert back to fraction form.

4 0
3 years ago
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ioda

Answer:

96

Step-by-step explanation:

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216

8 0
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Step by step explanation:

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The answer is G. I know because, 1.75 * 3 (slices of pizza) = 5.25.

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Correct me if I am wrong hope this helps:)

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