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krek1111 [17]
3 years ago
10

What is 4x -1/2 =x+ 7

Mathematics
2 answers:
gogolik [260]3 years ago
5 0

Answer:

Step-by-step explanation:

Bringing like terms on one side

4x - x = 7 + 1/2

3x = 7.5

x = 7.5/3

x = 2.5

harkovskaia [24]3 years ago
3 0

Answer:

X=5/2

Step-by-step explanation:

1. subtract x from both sides, you now have 3x - 1/2 = 7

2. now you add 1/2 to both sides to get x by itself and you are left with 3x=7

4. divide by 3 on both sides to get x by itself

5. x=5/2

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ERROR ANALYSIS Describe and correct the error in finding the x-intercept.
EastWind [94]

The x-intercept is -6

Step-by-step explanation:

In order to find the x-intercept, we put y = 0 and to find the y-intercept we put x = 0

In the given method, x is put equal to zero instead of y as x-intercept had to be found.

Given equation is:

-2x+3y=12

-2x + 3(0) = 12\\-2x +0 = 12\\-2x = 12

Dividing both sides by -2

\frac{-2x}{-2} = \frac{12}{-2}\\x = -6

The x-intercept is -6

Keywords: Coordinate geometry, Intercepts

Learn more about intercepts at:

  • brainly.com/question/2131336
  • brainly.com/question/2150928

#LearnwithBrainly

3 0
3 years ago
1) A boat traveled 448 miles downstream and back. The trip downstream took 14 hours. The trip
Serhud [2]

Answer:B

I think we are in the same class lol

Step-by-step explanation:448 divided by 14= 32

448 divided by 16= 28

B=speed of boat in water

Y= Speed of current

B+y=32

B-y=28

32 + 28 =60

60 divided by 2 = 30

32 -30 =2

B=30

Y=2

Add my discord if you need more help Snapple#0141

6 0
3 years ago
8x-5y= 14<br> – 5х+бу = -3
podryga [215]

Answer:

y= 34/23

x=  123/46

Step-by-step explanation:

Solve for x

8x-5y= 14

x= 14/8 +5/8y

Sub x into second equation

– 5х+бу = -3

-5(14/8 +5/8y) + 6y= -3

-29/4 +23/8y = -3

y= 34/23

Sub y into any equation and solve for x

8x=483/23

x= 123/46

4 0
3 years ago
What is the answer to 11/12×6=​
Mademuasel [1]

Answer:

\frac{11}{2}

Step-by-step explanation:

\frac{11}{12} x 6 = \frac{11}{2}

5 0
3 years ago
One eighth of Tony's books are mystery books. He has 3mystery books. How many books does tony have in all?
Anit [1.1K]
If one book = 1/8, then you can just multiply it by 3, for the three mystery books. 8x3= 24, so tony has 24 books in all.
8 0
3 years ago
Read 2 more answers
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