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4 years ago

1/7= 3/4x-1 solve for x

2 answers:

8 0

Hi there, first we flip the equation to 3/4x-1=1/7, Now, we add 1 to both sides which makes it 3/4x=8/7. Finally, we multiply both sides by 4/3, now, 4/3*3/4x=4/3*8/7=32/21. Therefore, x=32/21

Sergeu [11.5K]4 years ago

7 0

1/7 = 3(/4)x - 1

lets all multipled by 28
4 = 21x - 28
21x = 4 + 28
21x = 32
x = 32/21
x = 1 9/21 or x = 1 3/7

You might be interested in

What is the answer to 15 x 4.2

Mnenie [13.5K]

Answer:

Step-by-step explanation:

15 x 4.2

15 x 42 (get rid of the decimal by moving it one to the right)

15 x 42 = 630

630 = 63.0 (put the decimal back in by placing it one spot to the left)

Answer: 63

hope this helps :)

3 0

3 years ago

Which of the following is a true statement about the equation y= -7/8x+10

-BARSIC- [3]

First of all we can rule out that the slope is 10. The coefficient before the x term is not 10 so the answer is not a.

Following on what I said for option a, option b is correct as the coefficient before the x term is -7/8. Therefore the answer is B.

The answer is not C as when x = 0, y is not 0. This means the line does not pass through the origin (0,0)

Option D is not true aswell. When x = 1, y= 9.125. When x= 2, y= 8.25. When x=3, y= 7.375. X is increasing whereas y is decreasing. Therefore option D is ruled out.

The answer is option B.

I hope this has helped you.

Please mark as brainliest if you are happy with this explanation. Have a great day!

5 0

3 years ago

Ben was in charge of ordering 3636 pizzas for the office party. He ordered three types of pizza: cheese, pepperoni, and suprem

shutvik [7]

Answer:

Ben bought 11 cheese pizzas, 16 pepperoni pizzas and 9 supreme pizzas

Step-by-step explanation:

We can solve this problem with a equation system. I will abbreviate the amount of cheese pizzas he buyed as C, the amount of pepperoni ones as P, and the amount of supreme ones as S. I will also remove the $ notation

The system is given as follows

C+P+S = 36

8C + 11P + 14S = 390

11P = 2*(8C) = 16C

We can easily replace 11P with 16C in equation 2, obtaining

8C + 16C + 14S = 390

24C + 14S = 390

S = (390- 24C)/14 = 195/7 - 12/7 C

Note that, also from equation 3, we have that

11P = 16 C

P = 16/11 C

Now, we can obtain the value of C using equation 1 replacing S and P with the founded values

C+P+S = 36

C + 16/11 C + 195/7 - 12/7 C = 36

C + 16/11 C - 12/7 C = 36-195/7 = 57/7

Taking C as common factor we obtain

C (1+16/11-12/7) = 57/7

C * 57/77 = 57/7

C = (57/7) / (57/77) = 11

Now, we replace this value in the formula we obtain for P and S

P = 16/11 * C = 16/11 * 11 = 16

S = 195/7 - 12/7 * 11 = 63/7 = 9

Now, we verify:

C+P+S = 11+16+9 = 36
8C + 11P + 14S = 8*11 + 11*16 + 14*9 = 88 + 176 + 126 = 390
2(8C) = 2*88 = 176 = 11P

Thus, Ben bought 11 cheese pizzas, 16 pepperoni pizzas and 9 supreme pizzas.

8 0

3 years ago

Ed has 28 blocks. Sue has 34 blocks who has more blocks? How many more?

Anna007 [38]

Answer:

Sue // 6 More blocks

Step-by-step explanation:

Sue has more blocks because 34>28.

34-28 is 6 so sue has 6 more.

3 0

3 years ago

Read 2 more answers

in a particular class of 26 students , 11 are men . what fraction of the students in the class are women

vitfil [10]

Step-by-step explanation:

woman = total students - men

= 26 - 11

=15

for fraction of woman , you take the 15(woman) over the total of people in the class,26.

Therefore your answer is 15 over 26

4 0

4 years ago

Read 2 more answers