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Tatiana [17]
4 years ago
13

3+2(x-6)+5-3(x+4)=6x

Mathematics
2 answers:
Mekhanik [1.2K]4 years ago
7 0
5(x-6)+2(x+4)=6x
5x-30+2x+8=6x
xenn [34]4 years ago
7 0

Simplifying

3 + 2(x + -6) + 5 + -3(x + 4) = 6x


Reorder the terms:

3 + 2(-6 + x) + 5 + -3(x + 4) = 6x

3 + (-6 * 2 + x * 2) + 5 + -3(x + 4) = 6x

3 + (-12 + 2x) + 5 + -3(x + 4) = 6x


Reorder the terms:

3 + -12 + 2x + 5 + -3(4 + x) = 6x

3 + -12 + 2x + 5 + (4 * -3 + x * -3) = 6x

3 + -12 + 2x + 5 + (-12 + -3x) = 6x


Reorder the terms:

3 + -12 + 5 + -12 + 2x + -3x = 6x


Combine like terms: 3 + -12 = -9

-9 + 5 + -12 + 2x + -3x = 6x


Combine like terms: -9 + 5 = -4

-4 + -12 + 2x + -3x = 6x


Combine like terms: -4 + -12 = -16

-16 + 2x + -3x = 6x


Combine like terms: 2x + -3x = -1x

-16 + -1x = 6x


Solving

-16 + -1x = 6x


Solving for variable 'x'.


Move all terms containing x to the left, all other terms to the right.


Add '-6x' to each side of the equation.

-16 + -1x + -6x = 6x + -6x


Combine like terms: -1x + -6x = -7x

-16 + -7x = 6x + -6x


Combine like terms: 6x + -6x = 0

-16 + -7x = 0


Add '16' to each side of the equation.

-16 + 16 + -7x = 0 + 16


Combine like terms: -16 + 16 = 0

0 + -7x = 0 + 16

-7x = 0 + 16


Combine like terms: 0 + 16 = 16

-7x = 16


Divide each side by '-7'.

x = -2.285714286


Simplifying

x = -2.285714286

Hope this helps!

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What is the gcf of 25, 35 and 45
nekit [7.7K]

GCF of 25, 35 and 45 is 5

Step-by-step explanation:

The greatest factor that divides all given numbers is called the greatest common factor.

In case of 25, 35 and 45, the greatest number that will divide all three will be the GCF

For that, we have to find the factors of all numbers

25 = 1,5,5\\35 = 1,5,7\\45 = 1,3,5,9

By observing the factors we can say that the greatest common factor is 5

Hence,

GCF of 25, 35 and 45 is 5

Keywords: GCF, Factors

Learn more about GCF at:

  • brainly.com/question/6465937
  • brainly.com/question/6431715

#LearnwithBrainly

4 0
4 years ago
The sale rack at the department store said that an additional 30 percent discount would be taken on all items. If a dress on the
Bumek [7]

Answer:

45.15 in total

Step-by-step explanation:

86 x 25/100

86 x 0.25

$21.50 was saved with 25 percent off

final price = 64.50 + 30% off

64.5 x 30/100

64.5 x 0.3

$19.35 saved with 30% off

64.50-19.35=45.15 in total

6 0
3 years ago
95% of people in my street have a car. There are 160 people in my street. how many do not have a car?
Over [174]

Answer:

8 people on your street do not have a car.

Step-by-step explanation:

So we know that 95% of people have a car. There are 160 people on your street and your are trying to find out how many people do not have a car.

If 95% of people have a car, then 100% - 95% of people, or 5% of people, do not have a car. Using this we can find how many of the 160 people on your street do not have a car. To do this, we would multiply the percent of people who do not have a car (5%, or 0.05) by the number of people on your street (160).

5% × 160 = 0.05 × 160 = 8

8 people on your street do not have a car.

I hope this helps. :)

7 0
3 years ago
What two numbers have a sum of 142 and a difference of 16?​
vladimir2022 [97]

Answer:

x=79,y=63 I have solve it in above picture

8 0
3 years ago
The system of linear equations y = negative 3 x + 5 and y = negative 3 x minus 6 is graphed below.
Oksana_A [137]

Answer:

0

Step-by-step explanation:

if they have the same slope then they never intercept

3 0
3 years ago
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