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3 years ago

7+3x=2x+2 can u solve it and teach how to do it?

Mathematics

2 answers:

stiv31 [10]3 years ago

7 0

I think that is -5 hope that helps

11Alexandr11 [23.1K]3 years ago

3 0

7+3x=2x+2
Send constants to one side and others to one side
3x-2x=2-7
x=-5

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Step-by-step explanation:

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What would be the mean if the value 3 was added to the following set?

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Y-3=5(x-2) what are the intercepts t of x and y x=(_,_) y=(_,_)

yan [13]

$The\ x\ intercept\ is\ (\frac{7}{5}, 0)$

The y intercept is (0, -7)

Solution:

Given equation is:

y - 3 = 5(x - 2)

Find the x intercept

Substitute y = 0 in given equation

$0-3=5(x-2)\\\\-3=5x - 10\\\\5x = -3 + 10\\\\5x = 7\\\\x = \frac{7}{5}\\\\Thus\ the\ x\ intercept\ is\ (\frac{7}{5}, 0)$

Find the y intercept:

Substitute x = 0 in given equation

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Thus the y intercept is (0, -7)

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3 years ago

Todd helps his dad with his landscaping business during the summer. He earns $10 for each shrub he plants and $25 for each lawn

ira [324]

Answer:

Todd earned: $3490

Step-by-step explanation:

First you have to times 10 ($ per shrub) by 194 (# of shrubs planted) and 25 ($ per lawn) by 62 (# of lawns mowed)

10 * 194 = 1940

25 * 62 = 1550

Then you have to add the two together to get the total amount of money he earned.

10 * 194 + 25 * 62 = 3490

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3 years ago

can anyone answer this ? or recommend a better website or app that’s good for doing algebra problems like these..

PSYCHO15rus [73]

Answer:

(A) 7/(m+4)

Step-by-step explanation:

When fractions have a common denominator, you add them by adding their numerators and using that sum with the common denominator.

Here, you may be able to cancel a common factor from numerator and denominator to simplify the expression further.

$\dfrac{4m-17}{m^2-16}+\dfrac{3m-11}{m^2-16}=\dfrac{4m-17+3m-11}{m^2-16}=\dfrac{7m-28}{m^2-16}\\\\=\dfrac{7(m-4)}{(m+4)(m-4)}=\boxed{\dfrac{7}{m+4}}$

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2 years ago