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ICE Princess25 [194]
3 years ago
9

Solve for x. 4 - (2x + 4) = 5A. x = 3/2 B. x = 6C. x = -5/2D. x = -10

Mathematics
1 answer:
Julli [10]3 years ago
4 0
The answer is C. X=-5/2. You need to simplify on both sides then isolate the variable.
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NNADVOKAT [17]

Answer:

The number is 5

Step-by-step explanation:

If we need to find the hidden number, Which for simplicity's sake we will denote as "n", lets first write out the equation.

"2 x [n + (-3)] = 4"

We can work through this problem backwards. if we need two times the sum of "n" and (-3) to get to 4, the only number that can be multiplied by 2 to get a product of 4 is 2, so "n" + (-3) must equal 2. so, From here, we can figure out that since 5 + (-3) equals 2, "n" Must equal 5. so, if we plug in 5 for "n" the equation looks like this:

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3 years ago
If a recipe requires 400 grams of potatoes for four people, how many kilograms would be required for 12 people?
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However, we want the answer in kilograms. There are 1000 grams in a kilogram, so divide 1200 by 1000:

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