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Elina [12.6K]
3 years ago
10

3x-8=6x+5 Answer in a Fraction

Mathematics
2 answers:
Sergeu [11.5K]3 years ago
8 0

3x-8=6x+5\ \ \ |+8\\\\3x=6x+13\ \ \ |-6x\\\\-3x=13\ \ \ |:(-3)\\\\\boxed{x=-\dfrac{13}{3}}

Julli [10]3 years ago
5 0

Hello!

First of all, let's subtract 6x from both sides.

-3x-8=5

We add 8 to both sides.

-3x=13

We divide both sides by -3.

x=-\frac{13}{3}

I hope this helps!

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Lewis walked 9/10 of a mile. His friend walked 2/5 of the way with him. How many miles did Lewis's friend walk with him?
iVinArrow [24]

Answer:

Lewis's friend walked with him 9/25 miles

Step-by-step explanation:

Given that

Lewis walked 9/10 of a mile

And His friend accompanied him on 2/5 of the way.

This is a simple question of fraction multiplication

The fraction 2/5 has to multiplied with the miles walked by lewis

So

= \frac{2}{5} * \frac{9}{10}\\=\frac{9}{25}

Hence,

Lewis's friend walked with him 9/25 miles

5 0
3 years ago
Which value below will make 3-6x=21
Lorico [155]

We are given the following equation and want to find which value of x will make it true:

3-6x=21

Subtract 3 from both sides

-6x=18

Divide both sides by -6

x=-3

Thus, the value that will make 3-6x=21 is x=-3. Let me know if you need any clarifications, thanks!

~ Padoru

4 0
3 years ago
Which statement is true about the equations –3x + 4y = 12 and 1/4x –1/3 y = 1?The system of the equations has exactly one soluti
iren [92.7K]

Answer:

The system of the equations has no solution; the two lines are parallel.

Step-by-step explanation:

The equations have the same slope. In standard form, this can be seen as the same coefficients for x and y. We will multiply the second equation by -12 to reveal this.

\frac{1}{4} x-\frac{1}{3}y=1 \\-12(\frac{1}{4} x-\frac{1}{3}y=1)\\\frac{-12}{4} x-\frac{-12}{3}y=-12\\-3x+4y=-12

This means the equations are parallel and will never cross. There is no solution.

4 0
3 years ago
Please help!
nekit [7.7K]

Step-by-step explanation:

3x+9+4x-3+8x-6=180

15x=180

x=12

angle 1= 3x+9=36+9=45°

angle 2=4x-3=48-3=45°

angle 3=8x-6=96-6=90°

1) it's right triangle

2) it's isosceles triangle

5 0
3 years ago
After a reflection over the line x-axis, (8,11) is the image of point C. What is the original location of point C.
goblinko [34]
(-8, -11) because the points are just the opposite sign when reflecting over the x-axis
7 0
3 years ago
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