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
Anvisha [2.4K]
4 years ago
12

5-7y/2+4y equals -8/7​

Mathematics
1 answer:
Ksenya-84 [330]4 years ago
4 0

Answer:

\boxed{y = 3}

Step-by-step explanation:

=  > \frac{5 - 7y}{2 + 4y}  =  -  \frac{8}{7}  \\  \\  =  > 7(5 - 7y) =  - 8(2 + 4y) \\  \\  =  > (7 \times 5) - (7 \times 7y) = ( - 8 \times 2) + ( - 8 \times 4y) \\  \\  =  > 35 - 49y =  - 16  - 32y \\  \\  =  > 35 - 49y + 32y =  - 16 \\  \\  =  > 35 - 17y =  - 16 \\  \\  =  - 17y =  - 16 - 35 \\  \\  =  >   \cancel{- }17y =  \cancel{- } 51 \\  \\  =  > 17y = 51 \\  \\  =  > y =  \frac{51}{17}  \\  \\  =  > y = 3

You might be interested in
Please answer fast please
juin [17]

#1:

A,B,C,E

#2:

12 edges, 12 vertices

7 0
3 years ago
Read 2 more answers
Make w the subject of the formula s = w/a
enot [183]

Answer:

w = sa

Step-by-step explanation:

Given

s = \frac{w}{a} ( multiply both sides by a to clear the fraction )

sa = w

8 0
3 years ago
What does this mean?:<br> How does the data vary?<br> What is the mode?
stellarik [79]
Okay well the mode is the number that appears most pften for ex 112351 the mode is 1 because it is the number that is there more than the others
8 0
4 years ago
02.07)The figure shows two parallel lines AB and DE cut by the transversals AE and BD:
Delicious77 [7]

Answer:

Triangle

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
Round 56.7 to the nearest whole number
frutty [35]
Look at the tenths place when rounding to the nearest whole number. It is larger than 5 so round up. It will be 57.
5 0
3 years ago
Other questions:
  • Identify all of the solutions of 4x2 + 7 = 25.
    14·1 answer
  • Pleaseeee help!!!!!! I will mark you as brainlinest for correct answer!!!!!!!
    11·1 answer
  • Convert 95 scruples to drams.
    12·1 answer
  • Debra earns 52 dollars per week working part-time at a book store. She makes one dollar more for each book that she sells. The a
    7·2 answers
  • What could this line represent in a real world situation?? thanks!!!​
    13·1 answer
  • How would you go about solving this? This is the half angle and double angle identities unit if that helps
    14·1 answer
  • The ratio of knights to horses in the kingdom were 4
    10·1 answer
  • The table below shows the relationship between the side length of a square, s, and its perimeter, P. What is the perimeter (P) f
    6·1 answer
  • Write 7^5 in expanded form<br> Please I need an answer ASAP
    11·1 answer
  • Can someone help find the area and perimeter of this??​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!