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
hichkok12 [17]
3 years ago
11

Solve the following system of equations -2x+y=1 -4x+y=-1

Mathematics
2 answers:
Setler [38]3 years ago
6 0

Answer:

(1, 3).

Step-by-step explanation:

-2x + y = 1

-4x + y = -1      Subtract :

-2x - (-4x) = 1 - (-1)

-2x + 4x = 2

2x = 2

x = 1.

Substitute x = 1 in the first equation:

-2(1) + y = 1

-2 + y = 1

y = 1 + 2

y = 3.

VladimirAG [237]3 years ago
4 0

Answer:

x = 1

y =

Step-by-step explanation:

-2x + y=1

-4x + y=-1

-2 (2) x + (2) y = (2) 1 (multilply by 2)

-4x + y=- 1

-4x + 2y = 2

-4x + y = -1

minus side by

y = 3

x =

You might be interested in
Whats A O E in the diagram for A O C
Orlov [11]

Answer:

where is the picture or graph

or something

Step-by-step explanation:

8 0
3 years ago
Simplify<br> 1/2 + 2/3 x 1 1/3
Blizzard [7]
My work to your question
6 0
3 years ago
Find the value for x to the third decimal place: In x=5
mixas84 [53]

\ln x=5\implies x=e^5\approx0.6738\cdot10^{-2}.

Hope this helps.

8 0
3 years ago
A boat is marked up 20% on the original price. The original price was $50. What is the sale price of the. Pat before sales tax
Klio2033 [76]
1.20x = 50
x = 50 / 1.20
x = 41.67 <== before tax
3 0
3 years ago
I need help ASAP plsss
Nutka1998 [239]

x would be 102° . hope it helps

4 0
3 years ago
Other questions:
  • Stuck, please help and give explanation thank you.
    9·1 answer
  • What is the midpoint of the segment shown below
    12·2 answers
  • Which number is a multiple of 7
    8·1 answer
  • Find the greatest common factor whats 24 and 30
    12·1 answer
  • Candy bars are sold in a local store for 60 cents each. The factory has 1000 in fixed costs plus 10 cents additional expense for
    11·1 answer
  • Which equation is equivalent to 4s=t+2
    5·1 answer
  • Rita has already prepared 3 kilograms of dough and will continue preparing 1 kilogram of dough every hour. How much dough did Ri
    11·1 answer
  • Please help me this is a Math 3 post test really important last day of the quarter
    7·1 answer
  • A school reserved a banquet hall for the spring dance. In addition to a $100 deposit, each couple must pay $20. If the total cos
    9·1 answer
  • What is the perimeter (in feet and inches) of a rectangle that has a length of 12'7" and a height of 11'3"?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!