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
Usimov [2.4K]
3 years ago
5

Solve this system of equations: What is the value of x?

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
7 0

Answer:

2

Step-by-step explanation:

Substitute y=2x in the first equation into the second.

The second equation then becomes;

x = -(2x)+6

x = -2x+6

Collectiing like terms, more -2x to the left,

x+2x =6

3x=6

x=\frac{6}{3}

x= 2

You might be interested in
Work out the length of x
Ierofanga [76]

Answer:

11.2 mm

Explanation:

Given a right angle triangle, In order to find the third side: Use Pythagoras Theorem: a² + b² = c²

Insert Values:

x² + 3.8² = 11.8²

x² + 14.44 = 139.24

x² = 139.24 - 14.44   (subtract)

x² = 124.8

x = √124.8              (square root)

x = 11.1714 ≈ 11.2     (rounded to 3 significant figures)

6 0
1 year ago
Read 2 more answers
Can somebody help meeee pleaseeee .
kicyunya [14]

Answer:

No :)

Step-by-step explanation:

5 0
3 years ago
Simplify the radical expression. √45 + √20 - √5
viva [34]
√45 = √9√5 = 3√5
√20 = √4√5 = 2√5

3√5+2√5-√5=4√5

answer = 4√5
:)
5 0
3 years ago
How many different surgery scrub outfits would you have if you have 5
mafiozo [28]

Answer:

2

Step-by-step explanation:

cuz u would have extra hats so just wear the pants again

4 0
3 years ago
Pls help I need help!!!! Please
RideAnS [48]
So 1 would be 5r+20 and then the second one would be
6 0
2 years ago
Other questions:
  • The graph shows a translation from preimage triangle ABC to image triangle JKL. Which of the following represents the translatio
    13·2 answers
  • general admission to the americanmuseum of natural history is $19. if a group of 125 students visits the museum how much will th
    7·1 answer
  • 401,378 in word form
    12·2 answers
  • I need help with this
    14·1 answer
  • Max finds the product 3/7 *16
    11·2 answers
  • Evauluate expression 14/3n - n​
    10·1 answer
  • Divide and answer in simplest form 8 5/2 =?
    15·1 answer
  • Pls answer quickly
    6·2 answers
  • Write an equation and solve:
    9·1 answer
  • The area of a square is given by and the perimeter is given by , where s is the side length of the square.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!