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3 years ago

Solve for x. 3x/6 1 = 7 x = 4 x = 12 x = 16

1 answer:

8 0

If you would like to solve for x, you can do this using the following steps:

3x / 6 + 1 = 7
3x / 6 = 7 - 1
x/2 = 6 /*2
x = 6 * 2 = 12

The correct result would be x = 12.

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Why is it that -log(x+8)=4-log(x-7) has no solution? (they are log base 2)

Lerok [7]

$-log(x+8)=4-log(x-7)$

$-\log _{10}\left(x+8\right)+\log _{10}\left(x+8\right)=4-\log _{10}\left(x-7\right)+\log _{10}\left(x+8\right)$

$0=4-\log _{10}\left(x-7\right)+\log _{10}\left(x+8\right)$

$0+\log _{10}\left(x-7\right)=4-\log _{10}\left(x-7\right)+\log _{10}\left(x+8\right)+\log _{10}\left(x-7\right)$

$\log _{10}\left(x-7\right)=\log _{10}\left(x+8\right)+4$

$\log _{10}\left(x-7\right)=\log _{10}\left(x+8\right)+\log _{10}\left(10000\right)$

$x-7=\left(x+8\right)\cdot \:10000$

$\mathrm{Solve\:}\:x-7=\left(x+8\right)10000:\quad x=-\dfrac{26669}{3333}$

$\mathrm{Verifying\:Solutions}:\quad x=-\dfrac{26669}{3333}\space\mathrm{False}$

$\mathrm{No\:Solution\:for\:x\in \mathbb{R}}$

3 0

3 years ago

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X - 5.7 = 6.4 <br> what is x?

Evgen [1.6K]

Answer:

The chosen topic is not meant for use with this type of problem. Try the examples below.

3x+3=243x+3=24

x2+9=73x2+9=73

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Step-by-step explanation:

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Step-by-step explanation:

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Brrunno [24]

Answer:

A is right I believe

Step-by-step explanation:

a: 5x

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Answer:

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