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german
3 years ago
9

What is 7 - x - ( -5x ) - 10 + 4x​

Mathematics
2 answers:
Ber [7]3 years ago
5 0

Answer: 8x−3

Step-by-step explanation:

Let's simplify step-by-step.

7−x−−5x−10+4x

=7+−x+5x+−10+4x

Combine Like Terms:

=7+−x+5x+−10+4x

=(−x+5x+4x)+(7+−10)

=8x+−3

If I Helped, Please Mark Me As Brainliest, Have A Great Day :D

MA_775_DIABLO [31]3 years ago
4 0

Answer:

8 x -3

Step-by-step explanation:

because you do the equation on math w a y

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How many positive integers between 5 and 31 <br> a. are divisible by 3? which integers are these?
ella [17]
If you go through the multiplication table of 3, you can pick out the ones between 5 and 31:
6, 9, 12, 15, 18, 21, 24, 27, 30
Which is 9 numbers. I hope this helps!
3 0
3 years ago
Need helpp please i'll mark you brainliest or sm
madreJ [45]

Answer:

The answer is 2+3-(-2)

Step-by-step explanation:

Is because you can tell by her work

8 0
3 years ago
How do you find the derivative of f(x)=cos(x)f(x)=cos(x) ?
Lyrx [107]
f(x)=\cos x\\&#10;f'(x)=-\sin x
3 0
3 years ago
Enter the values for the highlighted variables to complete the steps to find the sum: (see picture)
dangina [55]

Answer:

a = -1

b = -9

c = 9

d = 3

e = 3

f = 2

g = 3/2

Step-by-step explanation:

* Lets explain how to solve the problem

∵ \frac{3x}{2x-6}+\frac{9}{6-2x} are rational fractions

- To add or subtract the rational fractions they must have same

  denominator

∵ 6 - 2x must be written 2x - 6, take (-1) as a common factor from 6 - 2x

∴ - 1(-6 + 2x) = - 1(2x - 6)

∴ \frac{3x}{2x - 6}+\frac{9}{6-2x}=\frac{3x}{2x-6}+\frac{9}{-1(2x-6)}

∴ a = -1

∵ 9 ÷ -1 = -9

∴ =  \frac{3x}{2x-6}+\frac{-9}{2x-6}

∴ b = -9

∵ The denominators of the two fractions are 2x - 6

∴ We can add them by adding their numerator

∵ 3x + -9 = 3x - 9

∴ = \frac{3x-9}{2x-6}

∴ c = 9

∵ 3x - 9 has a common factor 3

∴ 3x - 9 = 3(x - 3)

∵ 2x - 6 has common factor 2

∴ 2x - 6 = 2(x - 3)

∴ = \frac{3(x-3)}{2(x-3)}

∴ d = 3 , e = 3 , f = 2

- The fraction has same factor (x - 3) up and down then we can cancel

  them together

∴ = \frac{3}{2}

∴ g = 3/2

5 0
3 years ago
Can anyone help me?! Will give 20 points and brainiest!
Aleonysh [2.5K]
8)
3x + 2 = 4x - 3
4x - 3x = 2 +3
x = 5

2y +7 = 4y - 9
4y - 2y = 7+9
2y = 16
y = 2

9)

2x - 2 = x + 2
2x - x = 2+2
x =4

5y - 8 = y+24
5y - y = 24 +8
4y = 32
y = 8
3 0
4 years ago
Read 2 more answers
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