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
Hi people I need help on this question can y’all help me pls!!!!!! Thanks
skad [1K]
I’m pretty sure it’s 43.96 I may be wrong though!
6 0
3 years ago
Which equation in slope-intercept form represents a line that is parallel to y=−4x−5 and passes through the point (0,0)?
IrinaK [193]

Answer:

\displaystyle y = -4x

Step-by-step explanation:

0 = 0 ± b

\displaystyle 0 = b \\ \\ y = -4x

* Parallel Lines have SIMILAR <em>RATE OF CHANGES</em> [<em>SLOPES</em>], so −4 remains the way it is.

I am joyous to assist you anytime.

6 0
3 years ago
―6 + (4 + 4)2 ÷ 2<br> This is my problem I need help with
Galina-37 [17]

Answer:

2

Step-by-step explanation:

you do the (* first so it 8 then you add it with -6 which decreases it that makes 2 and 2 divided by 2 is one so add all together and get 2

7 0
2 years ago
Read 2 more answers
The length of the room is 25 feet longer than it is wide. The area is 176 square units. Find the dimensions of the room
Arturiano [62]
The answer is 26 home slice.
6 0
3 years ago
Read 2 more answers
Maggie is rock climbing. After reaching the summit, she descends 14 feet in 2 1/3 minutes. If she continues at this rate, where
attashe74 [19]
Steps:
2 1/3 * 3 = 7
14 * 3 = 42
42 divided by 7 = 6
6 * 8 = 48
So, Maggie is 48 feet under the summit (-48). Therefore, the correct answer is d.
4 0
3 years ago
Other questions:
  • I need help plz !!!!!!!
    12·2 answers
  • Trigonometry questions
    12·1 answer
  • A jet's engine takes in 20 kilograms of air per second. The air is compressed, heated, and
    12·1 answer
  • What is the value of x?<br><br> A. -9<br> B. -10<br> C. 10<br> D. -12
    9·1 answer
  • What is the value of z in the equation 3 - 7 = 14? (2 points)<br> 03<br> 4<br> 07<br> 21
    14·1 answer
  • Mr. Au went to eat at McDonald's this week. On Monday, he ate some hamburgers. On Tuesday, he ate nothing at McDonald's. On Wedn
    7·1 answer
  • I need some answers please like I really don’t know how to do these problems at all
    5·2 answers
  • 4 What is the solution to the inequality -3x-42&gt;3 ?
    8·1 answer
  • What is the slope of the line?<br> y + 5 = 2(x + 1)
    6·1 answer
  • Order these from least to greatest
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!