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
adoni [48]
3 years ago
8

X= 5y + 7 2x + 4y = 0 Solve for substitution

Mathematics
2 answers:
algol133 years ago
8 0

Answer:

x=2 and y= -1

Step-by-step explanation:

substitute x value in equation 2

2(5y+7)+4y=0

10y+14+4y=0

14y = -14

y= -1

here,

x= 5(-1)+7

x= -5+7

x=2

anygoal [31]3 years ago
3 0
Point slope form: (2,-1)
Equation form: x=2 , y=-1


Solve for the first variable in one of the equations then substitute the result into the other equation.
You might be interested in
Graph: y+2= -3/4 (x + 4)<br><br> Click or tap the graph to plot a point.
Anvisha [2.4K]
Answer:

Put the dot on the 5 on the Y-axis


Step-by-step explanation:

Put the initial dot on the 5 on the y-axis (vertical), then it's rise over run if plotting a line. Since it's 3/4 you would go up 3 and over to the right four. You can get the rest of the line by going down 3 from the initial point on five, down left 3.
7 0
3 years ago
Is 9,440,260 divisible by 3?<br><br> YES or NO<br><br> HELP ME PLZ!!!
mina [271]

Answer:

Yes It is Divisible by 3

Step-by-step explanation:

It is 314 in whole numbers but it has some decimals.

6 0
3 years ago
Read 2 more answers
Sara and her friends are going on a day trip to the fair. The total cost for taking the train is $178.75, and the cost of each f
lisov135 [29]

Answer:

50,75 per person for both tickets

3 0
3 years ago
Sarah and Annie brought some quarters to an arcade. Sarah has 28 more quarters than Annie.
Marina CMI [18]

Answer:

37

Step-by-step explanation:

m=28+n

36=28+n

n=36-28

n=8

Annie quarters:

29+n

29+8

37

5 0
3 years ago
Read 2 more answers
Factor 3x^3+3x^2+x+1
Nat2105 [25]
We can solve it like:
3x^3+3x^2+x+1= (3x^3+3x^2)+(x+1)=
3x^2(x+1)+(x+1)=
= (x+1)(3x^2+1)

Have a good day
6 0
4 years ago
Read 2 more answers
Other questions:
  • divide a x cubed space plus 3 x squared space minus b x minus 6 space b y space x to the power of 2 space end exponent plus 3 x
    10·1 answer
  • 3is what percent of 8
    14·2 answers
  • A drilling machine can drill 12 holes in 6 minutes.If the machine drill holes at a constant speed, it can drill holes in 25 minu
    11·1 answer
  • Trisha needs 41/2 yards of fabric to do a project. If she already has 2/3 of a yard of fabric. What is the minimum amount of fab
    6·1 answer
  • Help me. Thanks. <br> Find the inverse function
    15·1 answer
  • A boat travels 3600 meters in 12 minutes what is the boats speed
    13·1 answer
  • What is the value of x in the figure? Enter your answer in the box.
    5·2 answers
  • Please Answer Quick! And A Explanation Would Be Nice Too! 40 points &lt;3
    13·1 answer
  • Pls help I’ll brainlest and add extra
    5·2 answers
  • Which statement about determining the quotient 1/8 ÷ 2 is true?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!