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klio [65]
3 years ago
13

X+3y = 2

Mathematics
1 answer:
nalin [4]3 years ago
8 0

Answer:

The value of "x" is 5.

Step-by-step explanation:

In order to solve this system of equations, we first have to take the first equation and use it to represent "y" in terms of "x". We do that in the following way...

x + 3y = 2\\3y = 2 - x\\y = \frac{2}{3} - \frac{x}{3}

Now, we need to take the second equation and substitute "y" for the equivalent value in terms of "x". After doing this we will get the following equation, which we can solve to get the value of "x".

4x - 3y = 23\\4x-3(\frac{2}{3} - \frac{x}{3}) = 23\\4x - 2 + x = 23\\5x - 2= 23\\5x = 25\\x = 5

Therefore, the value of "x" is 5.

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The perimeter of a rectangle is 64 cm. The length is 12cm longer than the width what are the length and the width of the rectang
Vsevolod [243]

Answer:

Width of 10 cm, length of 22 cm

Step-by-step explanation:

P=2L+2w

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3 years ago
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Step-by-step explanation

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3 years ago
What is 12 divided by 6/7
Naddik [55]
What is the easiest way to divide whole numbers to fractions?
Just follow these two easy steps:
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 <u>   6    </u>
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You can also get the reciprocal and proceed to multiplication , like this: (12/1 is the fractional form or the whole number 12.)
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Answer:

Step-by-step explanation:

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Part B
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Answer:

Step-by-step explanation:

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