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
Elenna [48]
3 years ago
12

7x-5y=-15 and -14x+7y=0 Solve by elimination

Mathematics
1 answer:
geniusboy [140]3 years ago
4 0

Answer: (5,10)

Step-by-step explanation:

multiply first equation with 2 and add it to second to eliminate X

7x-5y=-15  //*2

14x-10y=-30

-14x+7y=0

----------------

-3y=-30

y=-30/-3

y=10

7x=50-15

7x=35

x=35/7

x=5

You might be interested in
Which of the five measures of center (the mean, the median, the trimmed mean, the weighted mean, and the mode) can be calculated
nalin [4]
 The mean and median can be calculated for quantitative data only.
4 0
3 years ago
What does an S-shaped curve for population growth suggest?
LuckyWell [14K]
A pattern of growth<span> in which, in a new environment, the </span>population<span> density of an organism increases slowly initially, in a positive acceleration phase; then increases rapidly, approaching an exponential </span>growth<span> rate</span>
7 0
3 years ago
Read 2 more answers
How many roots does y=x^2-4x+6 have
pochemuha
Δ<<span>0 i think this is right</span>
7 0
2 years ago
Can somebody please help me
Levart [38]

Answer:

462 sq in

Step-by-step explanation:

3((14 2/3)(10.5))

3(154)

462

7 0
3 years ago
Peter and John went shopping and spent money in the ratio 2 : 3 (a) If Peter spent 500 dollars, how much did John spend?
brilliants [131]

I think john spent 750 dollars but am not sure
6 0
3 years ago
Read 2 more answers
Other questions:
  • ​$9500 is​ invested, part of it at 12​% and part of it at 9​%. For a certain​ year, the total yield is ​$1032.00. How much was
    5·1 answer
  • 2.933 expanded form decimals
    13·1 answer
  • I need help with this math problem please.
    14·1 answer
  • If i have 45 pen is ;) and 90 coins how much is that total
    7·1 answer
  • Need help solving this problem
    8·2 answers
  • At 3:30 in the afternoon in mid-September the Kimball Tower casts a shadow about 290 feet long when the sun's rays come down at
    5·1 answer
  • Select the expression(s) that simplifies to a value of 4.
    9·2 answers
  • Simplify this complex fraction 4/3/2/5
    15·2 answers
  • Identify the conclusion of the statement.
    7·1 answer
  • Select the correct answer. emily wants to find the number that appears in the middle of a set of 25 numbers arranged in ascendin
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!