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4 years ago

9x-3.3=6.8+8x what is x

Mathematics

1 answer:

trasher [3.6K]4 years ago

7 0

Answer:

Step-by-step explanation:

$9x-3.3=6.8+8x\qquad\text{add 3.3 to both sides}\\\\9x-3.3+3.3=6.8+3.3+8x\\\\9x=10.1+8x\qquad\text{subtract 8x from both sides}\\\\9x-8x=10.1+8x-8x\\\\x=10.1$

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What is the value of X in the equation 3X (-1) / 9Y equals 18 when Y equal 27

iren [92.7K]

Answer:

The value of X in the equation 3X (-1) / 9Y equals 18 when Y equal 27 is 1458.33

Step-by-step explanation:

$\frac{3X - 1}{9 Y} = 18$ is a polinomial equation A

if the value of Y = 27

put this value of Y in the equation A

$\frac{3 X -1}{9 \times 27} = 18$

$\frac{3 X -1}{243} = 18$

243 will be taken to right hand side and as per rule will be multiplied by 18

$3X-1= 18\times 243\\$

$3X-1= 4374$

1 will be taken to right hand side and added as per rule

$3 X = 4374+1\\3X= 4375$

3 wil be taken on right hand side and divided as per rule

$X= \frac{4375}{3} \\X= 1458.33$

So the value of X if Y = 27 is 1458.33

Keywords: Algebra

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#learnwithBrainly

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3 years ago

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3 years ago

What is the surface area of a cylinder with the hight of 7 and the diameter of 9

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3 years ago

Solve the equation for P: 3k=7Q+6p

iren [92.7K]

3k=7Q+6p

Solve for P which means we have to make 'p' alone

$3k=7Q+6p\\\\ Add 7Q on both sides \\\\ 3k - 7Q = 7Q - 7Q + 6p\\\\ \left ( 3k - 7Q \right ) = 6p\\\\ Divide both side by 6 to make p alone \\\\ \frac{\left ( 3k - 7Q \right )}{6} = \frac{6p}{6}\\\\ p = \frac{\left ( 3k - 7Q \right )}{6}$