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
zzz [600]
3 years ago
5

Solve the system using the substituion method -4x+y=8 x-3y=9

Mathematics
1 answer:
lions [1.4K]3 years ago
3 0
Hi there!

x - 3y = 9
x = 9 + 3y
 
-4x + y = 8
-4(9+3y) + y = 8
-36 - 12y + y = 8
-36 - 11y = 8
-11y = 44
-y = 4
y = -4

x - 3y = 9
x - 3(-4) = 9
x + 12 = 9
x = 21

So, your answers are y = -4 and x = 21.

Hope this helps!
You might be interested in
Whats the answer giving brainliest :D
Stells [14]

Answer: D

Step-by-step explanation:

4 0
2 years ago
Analyze the following pattern 1,2,5,10,7
vodka [1.7K]

Answer:

an + 1 = an + 2n -1 ,a 1=1

a8= 50

Step-by-step explanation:

an+1=an+2n-1,a1=1

a6=a5+2x5-1

a6=26

a7=26+11

a7=37

a8=37+13

a8=50

6 0
3 years ago
Wat is the value of 6 in 90.16
pshichka [43]
Ones place i think would be the awser
5 0
3 years ago
Read 2 more answers
Question 8 of 20
Gnesinka [82]
C is the answer because the X factors can’t repeat
3 0
3 years ago
Need help finding set in vinn diagram​
kotykmax [81]
3,4,6,7,9. It’s the last answer choice
5 0
2 years ago
Other questions:
  • Quadrilateral KLMN is a rectangle. The coordinates of L are L(1,-4) and the coordinates of M are M(3,-2) find the slopes of side
    9·2 answers
  • There are 26.2 miles in a marathon write the number of the miles using a fraction
    6·2 answers
  • There were 4 car races on saturdayand 3 on Sunday. If there were 9 cars racing in each race, how many cars raced over the two da
    6·1 answer
  • Help me please in number 4
    7·1 answer
  • One factor is 151.the product is 1812.what is the other factor
    5·1 answer
  • 20 POINTS PLS HALP!!!
    7·2 answers
  • Explain how to find the distance between two integers using the difference.
    15·2 answers
  • Any one help with math pls I really need this today
    9·1 answer
  • Pls help me out<br> 6x + 12x = 90
    11·2 answers
  • Which is greater?<br> B. 42%<br> A. 0.482
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!