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
BigorU [14]
3 years ago
11

What is the apparent solution to the system of equations? y=−x+2y=4x+7

Mathematics
2 answers:
Ghella [55]3 years ago
8 0
Oh what u will do is add 2y+4x+7
Colt1911 [192]3 years ago
8 0
Next time you share two equations, write one equation per line, or separate the two equations with a comma, OK?

<span>y=−x+2y=4x+7   NO

</span><span>y=−x+2               YES
y=4x+7           

Multiply the first equation by 4, obtaining:              4y = -4x + 8
Add the 2nd equation to this result:                          y = 4x  + 7
                                                                             --------------------
                                                                                 5y = 15, and y = 3

Then, using the first equation, determine x:

y = 3 = -x + 2
       1 = -x, so x = -1

The solution is (-1, 3)</span>
You might be interested in
Which equation does the graph below represent?
Thepotemich [5.8K]

Answer:

B

Step-by-step explanation:

Choose any point and put it into one of the choices of equations. Let's just do (4, 2):

A) y = 2x  ⇒  2 =? 2 * 4  ⇒  2 ≠ 8   ---   eliminate

B) y =1/2x  ⇒  2 =? 4 * (1/2)  ⇒  2 = 2   ---   correct; keep it

C) y = 1/2 + x  ⇒  2 =? 1/2 + 4  ⇒  2 ≠ 4.5   ---   eliminate

D) y = 2 + x  ⇒  2 =? 2 + 4  ⇒  2 ≠ 6   ---   eliminate

Thus, B is the correct answer.

Hope this helps!

4 0
3 years ago
Read 2 more answers
Name the form of the equation, then find the y-intercept of the following lines.....<br> x+y=2
Greeley [361]

Answer: Name: Standard form but im not sure what the y intercept is srry

Step-by-step explanation:

4 0
3 years ago
Find two prime numbers between 30 and 45.
prohojiy [21]
The prime numbers between 30 and 45 are 31, 37, 41, and 43
6 0
3 years ago
Read 2 more answers
1+2+3+....+2012+2013
Marta_Voda [28]

Answer:

Un=n(n+1)/2

U=2013(2013+1)/2

U=2.027.091

6 0
4 years ago
Solve the system using elimination. 3x – y = 28 3x + y = 14
Vikki [24]

Answer:

x= 7, y= -7         or          (7, -7)

Step-by-step explanation:

3x-y=28

3x+y=14

because the y is opposite of each other in both equations you can cancel them out

3x=28

3x=14

next you add 3x to 3x, then 28 to 14 and get...

6x=42

next divide both sides by 6 and you get your answer for x...

x=7

now you must solve for y and you do this by substituting what you found for x in one equation it doesn't matter which because you'll get the same answer but you can check for both to make sure...

3(7)+y=14

21+y=14

y=-21+14

y=-7

4 0
3 years ago
Read 2 more answers
Other questions:
  • Mrs. avery is going to randomly select one student from her class to read a poem out loud. there are 151515 boys and 131313 girl
    7·2 answers
  • What is the product of (5x+1)(5x-1)
    15·2 answers
  • Simplify the following radical <br> Sqrt 126x^13
    11·1 answer
  • To make a ribbon and bow for a hat Stacy needs 5/6 yard of black ribbon and 2/3 yard of red ribbon.How much total ribbon does sh
    5·2 answers
  • How many HOURS AND MINUTES are in 135 mins? Explain how you found out the answer as you would to a kid in 2ND GRADE. (Use simple
    7·1 answer
  • Its delta math please help
    6·2 answers
  • The table shows Frank and his brother's monthly salaries.
    10·1 answer
  • Find the midpoint of BF B(0,-14) F(4,6)
    10·1 answer
  • The price of gas increased from $2.20 per gallon on Monday to $2.31 per gallon on Tuesday. What is the percent of increase?
    13·1 answer
  • I’m confused on how to do this can u help me
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!