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Brums [2.3K]
3 years ago
15

Find number x, if when you add 7 to it and double the result you get 19 more than x.

Mathematics
2 answers:
vampirchik [111]3 years ago
7 0

Answer:

x = 5.

Step-by-step explanation:

We can set up equivalent equations like this to solve:

2(x + 7) = x + 19

Distribute the 2, giving us:

2x + 14 = x+ 19

Move the variables to one side, and the numbers to the other, giving us:

x = 5

morpeh [17]3 years ago
3 0

Answer:

x=5

Step-by-step explanation:

math is correct

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Answer:

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Step-by-step explanation:

<u>Given function is:</u>

f(x) = 4^x

Put x = 4

So,

f(4) = 4^4\\\\f(4) = 256\\\\\rule[225]{225}{2}

Hope this helped!

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Step-by-step explanation:

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Answer:

The domain for A is 0, 1, 2, 3 and the range is 0, 5, 10, 15

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Only A is a function because for the same input value in B, there is two different output values which is not possible.

Step-by-step explanation:

I just wanna let you know so you don't waste any more points for us, but the domain is the x-values/ input/ stuff on the left of a given point. The range is the y-values, the output, and the stuff on the right side of a given point. So on (1, 7) for example, the 1 would be the domain number and the 7 would be the range number.

The y-axis values are the output/range and the x-axis values are the input/domain.

Hope this helps bro

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