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
alukav5142 [94]
2 years ago
8

Use substitution to solve the following system of equations. -2x + 4y = -18 AND x = y + 3

Mathematics
2 answers:
Annette [7]2 years ago
5 0

Answer:

x = -3    y = -6

Step-by-step explanation:

x = y + 3

x - 3 = y

-2x + 4(x - 3) = -18

-2x + 4x - 12 = -18

2x = -6

x = -3

x = y + 3

-3 = y + 3

-6 = y

loris [4]2 years ago
4 0

Answer:

x = -3 ; y = -6

Step-by-step explanation:

x = y + 3

-2x + 4y = -18

-2(y+3) + 4y = -18

-2y -6 + 4y = -18

2y = -12

y = -6

x = -6+3

x = -3

You might be interested in
Multiple choice plz plz help! Thanks:)
Minchanka [31]
A- Since the radius is 22, the area is 1520.53, or, 1520.5 simplified.
3 0
3 years ago
Sarah's holiday wreath has 5 more than twice as many blue lights as green lights and 7 less than 5 times as many red lights as g
gregori [183]
Agvwlwowowwbw wmaalaoahq w
4 0
3 years ago
If the point A at (5, 3) is rotated clockwise about the origin through 90°, what
Lerok [7]

Answer:

(5,-3) in the 4th quadrant

Step-by-step explanation:

8 0
2 years ago
What is the answer explained to <br> 6+(-9)-(-5)-(5×0)
Zarrin [17]

Answer:

the answer is 2


Step-by-step explanation:


7 0
3 years ago
Carla buys an apron online for $6. If shipping and handling are an additional 20% of the
MAXImum [283]

Answer:

$1.2 is shipping and handling.

Step-by-step explanation:

If shipping is 1/5(20%) of the price 6 divided by 5 = $1.2

4 0
3 years ago
Other questions:
  • Which equation should be used to find the volume of the figure? A rectangular pyramid with a base of 10 centimeters by 6 centime
    5·1 answer
  • 6th Grade Math
    8·1 answer
  • The Mason family drove round trip from their house to their son's college campus in 5 in a half hours. If the distance from the
    14·1 answer
  • Find the area of the large six sided figure with a perimeter of 36ft
    10·1 answer
  • What set of reflections and rotations would carry rectangle abc do onto itself
    14·1 answer
  • Why are radicals simplified before adding and subtracting? Explain your reasoning by adding sqrt8 and sqrt32. Compare the proces
    6·1 answer
  • Steven added a number to one-sixth. Will subtracted the same number from one and two-thirds. They each got the same answer. What
    14·1 answer
  • Multiple Choice!!! A school bought a special type of lock for all student lockers. Every student had to create his or her own pa
    9·1 answer
  • HELPPPP!!!! A, B, C, or D!
    5·1 answer
  • The cost of an entry ticket to a zoo is $3.50 for children and $9 for adults. On the same day, 210 people enter the zoo and $150
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!