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crimeas [40]
3 years ago
7

If a given water sample contains 10 parts per million phosphorus, how many grams of phosphorus would a liter (1,000 g) contain

Mathematics
1 answer:
Luda [366]3 years ago
7 0
<span>10ppm is the same as 10mg/litre 10mg = 0.010g Therefore 1 litre will contain 0.010 g phosphorus</span>
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The first step is to combine like terms. So u would do 2-6. You then get -4 then u just bring everything else down. So now u should have this :

8x -4 = 4x + 8 + 3x

Now you do the same thing to the other side. U combine like terms which in this case are 4x and 3x. So u just do 4+3 which is 7 so now u have 7x. So now ur equation would be:

8x -4 = 7x +8

Now u do the inverse of 7 which would be -7 and u do that on both sides. So it would look like this :

8x -4 = 7x + 8
-7x. -7x

So now 7 and -7 cancel each other other and 8 -7 is 1 so now u have one x. So ur equation would now look like this:

1x -4 = 8

Now u do the inverse of negative 4 which is +4. So you would add 4 on both sides on both sides. Like shown:

1x -4 = 8
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So u just add 8 + 4 which is 12. Now since anything times 1 is itself ur answer will be X=12


Hope this helped



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Answer:

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Step-by-step explanation:

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Hope this helps! Plz award Brainliest : )

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