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
katen-ka-za [31]
3 years ago
10

Solve the system of equations using the substitution method. 2x+8y=4 x=−3y+5

Mathematics
1 answer:
goldenfox [79]3 years ago
7 0
Since x=-3y+5, substitute x for -3y+5. 

2(-3y+5)+8y=4

Distribute. 

-6y+10+8y= 4

2y+10= 4

Subtract 10 on both sides. 

2y=-6

Divide by 2.

y=-3

Plug in y=-3. 

x=-3(-3)+5
x= 9+5
x=14

(14,-3)

We can check this. 

2(14)+8(-3)=4
28-24=4
4=4 <== this works

I hope this helps!
~kaikers
You might be interested in
Please help me answer!!! ^^
yKpoI14uk [10]
The answer will be 0-0-
5 0
3 years ago
What was your speed if you drove 325 miles in 5 1/4 hours?
liraira [26]

Answer:

61.9047619048

Step-by-step explanation:

325/5.25= 61.9047619048

4 0
3 years ago
Read 2 more answers
What is the image of the point (4,-2) after a rotation 270 degree clockwise about the origin?
vaieri [72.5K]
The equivalent 90° CCW rotation maps (x, y) to (-y, x).
(4, -2) becomes (2, 4) after rotation.
4 0
3 years ago
Read 2 more answers
Which ordered pairs are on the line ​ 2x−3y=8 ​? Select each correct answer. ​ (12,−73) ​ ​ (−2,4) ​ ​ (2,−43) ​ ​ (−5,−6) ​
timama [110]

The answer is (-5,-6)

6 0
3 years ago
Read 2 more answers
2/3x-7=17 some help plssss!!!!!!!
Galina-37 [17]
Process:

2/3x -7 = 17
17 + 7 = 24
2/3x = 24

2/3 = 24/x
24 ÷ 2 = 12
12 x 3 = 36
x = 36



Answer: X = 36
5 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is not always true for a function?
    13·1 answer
  • HELP ME ON THIS PLEASE
    14·2 answers
  • Will give brainliest to whoever can explain this.
    10·1 answer
  • Write the equation of a line that is perpendicular to the given line and that passes through the given point. y= 2/3x + 9; (–6,
    11·1 answer
  • A city lot is 20 4/5 meters wide. It is 2 1/2 times as long as it is wide. How long is the city lot? Express your answer in simp
    12·2 answers
  • A bag has 1 red marble, 4 blue marbles, and 3 green marbles. Peter draws a marble randomly from the bag, replaces it, and then d
    6·2 answers
  • Please answer this!!​
    15·1 answer
  • Solve this for me (geometry)
    13·1 answer
  • HELP IM GIVING BRANLIEST
    9·1 answer
  • Which statement is correct?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!