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3 years ago

Solve the following equation for the variable x. ( 1/27 is a fraction )

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

5 0

The answer is,
$\frac{10935}{59048}$
Also equivalent to about, 0.185188.

Masja [62]3 years ago

4 0

<span>3^(4x-5) =(1/27)^2x+10
</span>3^(4x-5) =(3^-3)^(2x+10)
3^(4x-5) =3^(-6x-30)
4x - 5 = -6x - 30
10x = -25
x = -2.5

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GenaCL600 [577]

Answer:

Yumiko should multiply the other equation by 3.

If she adds the two equations she would be left with the variable 'x'.

Step-by-step explanation:

Given the two equations are as follows:

$2x - 3y = 12 \hspace{5mm} \hdots (1)$

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It is given that she multiplies the first equation by 6. Therefore, (1) becomes

$12x - 18y = 72 \hspace{15mm} \hdots (a)$

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Factor: 3

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3 years ago

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