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Helga [31]
3 years ago
13

If 5x= -35,then find the value of -28+4x

Mathematics
2 answers:
notka56 [123]3 years ago
7 0

Answer:

-56

Step-by-step explanation:

First, let's solve for x in 5x = -35.

Step 1: Divide both sides by 5.

  • \frac{5x}{5} = \frac{-35}{5}
  • x = -7

Now, that we know the value of x is equal to -7, let's simplify the expression -28 + 4x:

  • -28 + 4(-7)
  • -28 - 28
  • -56

Therefore, the value of -28 + 4x is equal to -56 when x is equal to -7.

GaryK [48]3 years ago
6 0

Answer: -56

Step-by-step explanation: if u take -35/5 u get -7 so x=-7 so then u get -28+4(-7) so 4 times -7 equals -28 so -28 + -28= -56

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B28%7D%20%2B%20%5Cfrac%7B1%7D%7B70%7D%20%2B%20%5Cfrac%7B1%7D%7B130%7D%20%2B%20
malfutka [58]

Considering the least common multiple of the denominators, it is found that the result of the expression is given by:

\frac{9100}{138320}

<h3>How do we add fractions?</h3>

We place all the terms of the addition in "equivalent" fractions, with the same denominator, found from the last common multiple of all the denominators.

In this problem, the denominators are as follows: 28, 70, 130, 208, 304. Using a calculator, their lcm is of 138,320.

Considering equivalent fractions(the numerators are the division of the lcm by the previous denominator), the expression is:

\frac{4940}{138320} + \frac{1976}{138320} + \frac{1064}{138320} + \frac{665}{138320} + \frac{455}{138320} = \frac{4940 + 1976 + 1064 + 665 + 455}{138320} = \frac{9100}{138320}

More can be learned about the addition of fractions at brainly.com/question/78672

#SPJ1

5 0
2 years ago
Find an equation of the line containing the given pair of points (5,2) and (-3,5)
anzhelika [568]
(5,2)(-3,5)
slope = (5 - 2) / (-3 - 5) = -3/8

y = mx + b
slope(m) = -3/8
use either of ur points...(5,2)...x = 5 and y = 2
now we sub and find b, the y int
2 = -3/8(5) + b
2 = - 15/8 + b
2 + 15/8 = b
16/8 + 15/8 = b
31/8 = b

so ur equation is : y = -3/8x + 31/8....or 3x + 8y = 31
3 0
3 years ago
Rule add 15, subtract 10 first term4
mr Goodwill [35]
I think that would be 9 I am not sure.

8 0
3 years ago
Read 2 more answers
How many minutes would you have to exercise each day to have a resting heart rate of 60 beats per minute?
Svetradugi [14.3K]

Answer:

i think 2-3 min.

Step-by-step explanation: i wish it's help u

5 0
3 years ago
On Monday, three hundred forty students went on a trip to the zoo. All eight buses were filled and four
VMariaS [17]

Answer:

42.5

Step-by-step explanation:

divide it by 8.

5 0
3 years ago
Read 2 more answers
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