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astra-53 [7]
3 years ago
11

Which value for x makes the sentence true?

Mathematics
1 answer:
saul85 [17]3 years ago
6 0

Answer:

x=4

Step-by-step explanation:

3/4x+ 4 = 7

Subtract 4 from each side

3/4x+ 4-4 = 7-4

3/4x = 3

Multiply each side by 4/3

4/3 * 3/4 x = 3 * 4/3

x = 4

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Solve this system of equations using the elimination method.
Ray Of Light [21]

Answer:

(6, -9)

Step-by-step explanation:

Our system of linear equations is:

6x + 2y = 18

-4x - 2y = -6

When we solve by elimination, we're essentially "eliminating" a variable so that we can solve for other more easily. Here, let's eliminate the y variable by adding the two equations together:

    6x + 2y = 18

+   -4x - 2y = -6

____________

    2x  +  0y = 12

x = 12/2 = 6

Plug this back into one of the original equations to find y:

-4x - 2y = -6

-4 * 6 - 2y = -6

-24 - 2y = -6

-2y = 18

y = -9

The solution is (6, -9).

7 0
3 years ago
Read 2 more answers
Can you help me with the answer
tamaranim1 [39]
Divide them all then put those answers down from least to greatest and then use the original numbers booooooommmm
5 0
3 years ago
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Samantha is making soup. to make the broth, she combines 2/5 cup of vegetable stock and 2/3 cup of chicken soup stock. Boiling
iogann1982 [59]
First,you do,2/5+2/3,but since you will need a common denominator,you will find the least common denominator for 5 and 3.The LCD(Least Common Denominator) will be 15 since both 5 and 3 could go in 15.Now,the equation looks like this: 2/15+2/15 since whatever you do to the bottom numbers,you NEED to do to the top numbers:2 and 2.Now you will need to do,2x3,since 5x3=15 and the answer to 2x3=6 then you do 2x5,since 3x5=15 the answer is 10 now the equation looks like this:6/15+10/15 now you add them together,and the answer will be 16/15 and if you want the answer to be a mixed number,it would look like this: 1 1/15. Hope this helps!
5 0
3 years ago
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What is the slope of the line
VARVARA [1.3K]

Answer:

-2/3

Step-by-step explanation:

The line goes down 2 for every 3 to the right.

8 0
3 years ago
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How do you solve this pls help!!!​
Mariulka [41]

Answer:

y = 1

x = -0.75

Step-by-step explanation:

The alternate angles theorem states that if two parallel lines are cut by a transversal, then each pair of alternate interior angles are equal.

21y - 1 = 4x + 23

21y - 24 = 4x

5.25y - 6 = x

21y - 1 = 4x + 23

21y = 4x + 24

y = 4/21(5.25 - 6) + 1.14

y = 1 - 1.14 + 1.14

y = 1

5.25(1) - 6 = x

-0.75 = x

7 0
3 years ago
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