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Elis [28]
2 years ago
7

Will give Brainliest. This is a question on Methods for Solving Systems of Equations in Algebra 1.

Mathematics
2 answers:
Rasek [7]2 years ago
6 0
I don’t know what you mean but i’m guessing you’re saying like, ex: 4x+9=3x-3 or something. in that situation we would do something my algebra 1 teacher would call the magic tunnel. step 1: move the 3x over and flip the sign (make it -3x because we’re going across the sign!) step 2: move the +9 over to the other side and flip the sign (make it -9!) your new problem would be 4x-3x=-3-9. step 3: do the math on each side of the equal sign (4x-3x=x), (-3-9=-12) therefore you now have your answer x=-12.
Nat2105 [25]2 years ago
5 0

Answer:

If there are no variables left, then i guess u just have to write the rest down(constant, coefficient, etc...)

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Llana [10]

Answer:

The area is multiplied by 4

Step-by-step explanation:

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What is the percentage of cacao in hot chocolate which is made of 480 grams of milk and 20 grams of cacao?
galina1969 [7]

Given that the hot chocolate is made of 480 grams of milk and 20 grams of cacao.

We need to determine the percentage of cacao in hot chocolate.

<u>The percentage of cacao:</u>

The total grams of hot chocolate can be determined by adding the total grams of milk and the total grams of cacao.

Total grams of hot chocolate = Grams of Milk + Grams of cacao

Total grams of hot chocolate = 480 + 20 = 500 grams.

Thus, the total grams of hot chocolate is 500 grams.

Now, we shall find the percentage of cacao.

The percentage of cacao is given by

\frac{100}{500}\times 20

Simplifying, the values, we get,

\frac{2000}{500}=4\%

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