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
Lady_Fox [76]
3 years ago
9

Which expression could be substituted for y in the second equation to find the value of x?

Mathematics
1 answer:
EastWind [94]3 years ago
6 0

value of x is x=-\frac{29}{4} and value of y is y=-\frac{9}{2}

Step-by-step explanation:

We need to find Which expression could be substituted for y in the second equation to find the value of x

The given equations are:

2x-y=-10\,\,\,(1)2x - 3y= -1\,\,\,\,(2)

For putting value of y in second equation, we will find from equation 1

From equation 1:

2x-y=-10\\-y=-10-2x\\y=10+2x

Putting value of y i.e y=10+2x in equation (2) to find value of x

2x-3y=-1\\2x-3(10+2x)=-1\\2x-30-6x=-1\\-4x=-1+30\\-4x=29\\x=\frac{29}{-4}\\x=-\frac{29}{4}

So, now finding value of y by putting value of x= -29/4 in eq(1)

2x-y=-10\\2(-\frac{29}{4})-y=-10\\-\frac{29}{2}-y=-10\\-y=-10+\frac{29}{2}\\ -y=\frac{-20+29}{2}\\ -y=\frac{9}{2}\\ y=-\frac{9}{2}

So, value of x is x=-\frac{29}{4} and value of y is y=-\frac{9}{2}

Keywords: System of equations

Learn more about System of equations at:

  • brainly.com/question/6075514
  • brainly.com/question/7490805
  • brainly.com/question/13168205

#learnwithBrainly

You might be interested in
Identify this prism and describe it using the following vocabulary terms base, edge, face, and vertex​
ira [324]

Answer:

Could you show more photos of it or is that all your information?

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
F(x) = 5x^2 + 9x – 4<br> g(x) = – 8x^2 – 3x – 4<br> Find (f + g)(x).
svp [43]

Answer:

(f + g)(x) = – 3x^2 + 5x - 8

Step-by-step explanation:

(f + g)(x) = f(x) + g(x)

= 5x^2 + 9x – 4 + (– 8x^2 – 3x – 4)

= 5x^2 + 9x – 4 – 8x^2 – 3x – 4

Combine

= – 3x^2 + 5x - 8

3 0
2 years ago
It took 30 minutes for Melinda to run 4 miles what is the ratio
ICE Princess25 [194]
7.5minutes/1miles
..............................
5 0
3 years ago
PLEASE HELP!!! SHOW YOUR EXPLANATION!!! Take a rectangular piece of paper. Fold the opposite ends, so that the folding lines are
Alchen [17]
You know they are parallel because the lines will never intersect or meet. (Two straight lines usually mean it is parallel)
5 0
2 years ago
Solve:<br><br> 5n = 25<br> A. n = 8<br> B. n = 5<br> C. n = 2<br> D. n = 1
Lilit [14]

Answer:

n=5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • Unit Test
    5·2 answers
  • Julia and catelyn are using the distributive property to simplify 3(x+2) who is correct explain your reasoning
    7·1 answer
  • What is the value of x?
    13·2 answers
  • 59.6487 to 2 decimal places
    7·2 answers
  • 6. Write an equation for the line that is parallel to the given line and that passes through the given point.
    15·1 answer
  • How do you ratify the denominator for 2/ 2(sqrt2)? When I multiply by sqrt2/sqrt 2 I'm still left with a radical in the denomina
    11·1 answer
  • Alberts bank account decreased by a total of 193 over a period of 12 days. what was the average daily decrease in his account?
    12·1 answer
  • 53. Which of the following diagrams show a pair of corresponding angles?
    8·2 answers
  • A movie theater has 1,000 seats. There are 424 adults and 339 children sitting i seats. How many of the seats are empty
    14·1 answer
  • kadeem started an exercise program.he ran 25 minutes each day for 7 days.how much time had he spent running at the end of 7 days
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!