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
Hitman42 [59]
1 year ago
5

Solve this system of linear equations. Separatethe x- and y-values with a comma.13x = -21 - 6y- 8x = 36 + 6yEnter the correct an

swer.DONE?
Mathematics
1 answer:
Ivenika [448]1 year ago
7 0

Solution:

Let:

\begin{gathered} 3x=-21-6y\text{   (Equation 1)} \\ -8x=36+6y\text{   (Equation 2)} \end{gathered}

To get the value of x, we add the Equation 1 and 2.

13x = -21 - 6y

+ - 8x = 36 + 6y

We will get:

5x=15

Calculate:

x= 3

Since x= 3, we plug in what we know:

13x = -21 - 6y

13(3) = -21 - 6y

39 = -21 - 6y

Simplify and rearrange:

-6y = 39 + 21

-6y= 60

Calculate:

y= -10

Therefore, the values are x= 3, y= -10 or (3,-10).

You might be interested in
HELP!!! BRAINLIEST!!The expression on the left side of an equation is shown below.
storchak [24]

Answer:

Expression that can be written in the box on the other side of the equation will be x

Step-by-step explanation:

The left side of equation is:

Simplifying the equation we get:

An equation has no solution when, we cannot find the value of x.

So, The order side of equation can be x

i.e,

So, expression that can be written in the box on the other side of the equation will be x

3 0
3 years ago
Mhanifa please help. Look at the picture attached. I will mark brainliest
frozen [14]

Answer:

<h3>#1</h3>
  • tangent = opposite leg / adjacent leg
  • tan ∠F = DE/ EF
  • tan ∠F = 24/7

<u>Option D</u>

<h3>#2</h3>

Sine and cosine are same for complementary angles.

  • Complementary of 67° is 90° - 67° = 23°.
  • sine 67° = cosine 23°
7 0
3 years ago
BRAINLYEST
Degger [83]
I can’t rly see the question please make it bigger
7 0
3 years ago
Read 2 more answers
Neal is tiling his kitchen filler. Each square tile is 1 square foot. Neal uses 6 rows of tiles with 9 tiles in each row. What i
timofeeve [1]

Answer:

54

Step-by-step explanation:

9*6=54

6 rows of 9 titles

6 0
3 years ago
I need some math help
Amiraneli [1.4K]

i think the answer is(1,0) im not sure

4 0
3 years ago
Other questions:
  • Evaluate the algebraic expression h + h when b = 3, d = 12, h = 2 and r = 7.
    15·2 answers
  • Plz I really need help plz I'm begging you
    6·2 answers
  • 2. The ratio of clown fish to angel fish at a pet store is 5:4. The ratio of angel fish to goldfish is 4:3. There are 60 clown f
    15·1 answer
  • 14. At what speed in miles per hour will a bicycle travel if the rider can cause the 26-inch diameter wheel to rotate 90 revolut
    7·1 answer
  • What two integers does √7 fall between?
    8·2 answers
  • Alyssa has 25$. She spends 4/5 of her allowance on a new shirt . How much did she spend on the shirt
    8·1 answer
  • FOR 50 POINTS. HELP ASAP!!!! John is looking at the eagle on top of a building. The height of the building is 120 ft.
    10·2 answers
  • -28 + 2x = -18<br> x=? Solve for x
    10·2 answers
  • Help pls i need help​
    12·1 answer
  • Please reference attached image for the problem that requires solving. Thank you so much for taking the time to help.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!