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sammy [17]
3 years ago
10

A certain number is multiplied by 4 and then 7 is added to the result then final answer is 39 find the number

Mathematics
1 answer:
Len [333]3 years ago
7 0

4x + 7 = 39

    -7     -7

4x = 32

/4      /4


x = 8

The answer is 8.

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jeka94
Now if we have 7.5 pounds of apples first we need to convert 1 pound into ounces.

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Now we know how many ounces are in one pound. So lets take the 16 ounces for 1 pound and multiply by the 7 full pounds of apples. This excluding the 1/2 pound of apples.

7 x 16 = 112
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So now we have the amount of ounces in 7 pounds of apples.
But we are not done. We still have the 1/2 pound of apples. So we take 16 being 1 pound of apples and divide it by 2. 

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Answer:

<em>Hello, I think the answer is -0.84 Hope That Helps!</em>

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