1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alisiya [41]
3 years ago
8

Solve for k 5/8(3k+1)-1/4(7k+2)=1

Mathematics
1 answer:
lesya [120]3 years ago
3 0

Answer:

<h2>k = 7</h2>

Step-by-step explanation:

\dfrac{5}{8}(3k+1)-\dfrac{1}{4}(7k+2)=1\qquad\text{multiply both sides by 8}\\\\8\!\!\!\!\diagup^1\cdot\dfrac{5}{8\!\!\!\!\diagup_1}(3k+1)-8\!\!\!\!\diagup^2\cdot\dfrac{1}{4\!\!\!\!\diagup_1}(7k+2)=8\cdot1\\\\5(3k+1)-2(7k+2)=8\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\(5)(3k)+(5)(1)+(-2)(7k)+(-2)(2)=8\\\\15k+5-14k-4=8\qquad\text{combine like terms}\\\\(15k-14k)+(5-4)=8\\\\k+1=8\qquad\text{subtract 1 from both sides}\\\\k=7

You might be interested in
A computer is used to generate passwords. Passwords are made up of numbers from 1–8 and lowercase letters. The computer generate
Snezhnost [94]
4/8 simplified to 1/2 because out of eight there are 4 even and 4 odd numbers 0.50
4 0
3 years ago
the ratio of dogs to cats at a local animal shelter is 9:3 if there was a total of 33 cats at the shelter how many of them were
wel
So for every 9 dogs, there are 3 cats. So if I multiply 3 by 11, to get 33. I will also have to multiply 9 by 11.
8 0
3 years ago
Read 2 more answers
FIRST PERSON TO ANSWER THIS CORRECTLY GETS BRAINLEIST
cupoosta [38]

Answer:

Nine less than twice a number 2x-9

Seven divided by a number 7-x

Ninety-nine plus the difference of eleven and five 99+(11-5)

Four-fifths more than three times. Number 3x+4/5

Step-by-step explanation:

Please mark brainliest

5 0
2 years ago
Read 2 more answers
I need urgent help!!
Alex787 [66]

Answer:

B

Step-by-step explanation:

x - 5/8 + 1/8 = 6/8 = -3/8 if u simplify

to simplify u need to see how many times it can be shrunk to do it

hope that helped

8 0
3 years ago
Read 2 more answers
X - (7) = 13 help please
Bond [772]

Answer:

x=20

Step-by-step explanation:

inverse operation

add 7 to both sides

x=20

7 0
3 years ago
Read 2 more answers
Other questions:
  • Which segment is a dilation of BC​
    13·1 answer
  • The s/n ration for a set of 50 measurements is 10. what number of measurements would make the s/n ratio 5
    11·1 answer
  • Please assist me with this problem​
    9·2 answers
  • Which type of data is best represented by a circle graph? A. changes in data over time B. data sets with some common elements C.
    6·2 answers
  • What does x equal if the equation is [x+3]÷2=9
    7·1 answer
  • Amanda has a jar full of marbles. The probability of randomly selecting a blue marble is 1/18 , a red marble is 1/9, a green mar
    11·2 answers
  • Solve for sk and angle PQR.
    12·1 answer
  • Find the vertical asymptote(s) of f of x equals quantity x squared plus 3x plus 6 end quantity over quantity x squared minus 4.
    7·1 answer
  • At the start of 2014 Lucy's house was worth £200 000
    9·1 answer
  • Question 4
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!