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2 years ago

Find value the value of x in the image below please help

Mathematics

2 answers:

marta [7]2 years ago

6 0

Where is the image...

Marianna [84]2 years ago

3 0

There is no image srry .-.

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6 1/2 divided by 3/4 pls someone help ASAP

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Answer:

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Step-by-step explanation:

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What is the number 5 2/7 written as a improper fraction

WARRIOR [948]

Answer:

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Step-by-step explanation:

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3 years ago

8x-5y=21 simultaneous linear equation<br>2x+9y=-5

olya-2409 [2.1K]

Answer:

$x=2$ and $y=-1$

Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

$8x-5y=21$ Equation:1

$2x+9y=-5$ Equation:2

Solving equation multiply equation 2 with 4 on both the sides

$8x+36y=-20$ Equation 3

Subtracting Equation:3 from Equation:1

$8x-5y-(8x+36y)=21-(-20)\\8x-5y-8x-36y=21+20\\-41y=41\\y=-1$

Putting value of 'y' in Equation:2 which will give the value of x

$2x+9y=-5\\2x+9(-1)=-5\\2x-9=-5\\2x=4\\x=2$

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3 years ago