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
Luda [366]
3 years ago
5

Which of these strategies would eliminate a variable in the system of equations?

Mathematics
2 answers:
valentinak56 [21]3 years ago
4 0
8x+8y=2
-) 8x+5y=1
——————
3y=1
y=1/3
8x+8(1/3)=2
24x+8=6
24x=-2
x=-1/12
(-1/12,1/3)
MrMuchimi3 years ago
3 0

Answer:

Step-by-step explanation:

8x + 8y = 2 -------(1)

8x + 5y = 1 -------(2)

subtract equation (2) from equation (1)

The 8x will be eliminated, leaving us with;

3y = 1

Divide bothside of the equation by 3

y = 1/3

substituting y = 1/3 in equation (1)

8x + 8y = 2

8x + 8(1/3) = 2

8x + 8/3 = 2

subtract 8/3 from both-side

8x + 8/3 -8/3 = 2 -8/3

8x = 2 - 8/3

8x = 6 - 8 / 3

8x = - 2/3

Divide both-side of the equation by 8

8x / 8 = -2/3 ÷ 8

x = -2/3 × 1/8

x = -1 / 12

You might be interested in
The balance in a student’s bank account is $1000. Each month, $150 is withdrawn.
UNO [17]

Answer:

I think its 900

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
In the triangle abc the side length side are bc=14 and ac=7 whats b
olga2289 [7]

hope this helps you mate

8 0
3 years ago
A line passes through the point (3,1) and has a slope of 2.<br><br> what is the y-intercept?
Valentin [98]
The y intercept would be -5
7 0
3 years ago
Read 2 more answers
What is the domain of this graph?
jolli1 [7]

Answer:

B 0 ≤x≤9

Step-by-step explanation:

The domain is the input values of the graph.  In this graph it is the values that the time variable takes.

Time can take 0 seconds to 9 seconds

0 ≤x≤9

8 0
3 years ago
Hey, wanna pair our account on Brainly so we can share the perks? https://brainly.com/invite/4754f4a223dda84b047a17d84e74d496?ut
erastovalidia [21]

Answer:

Step-by-step explanation:

1 answer

7 0
3 years ago
Other questions:
  • Gabrielle took a Spanish test with 50 questions and answered 44 of them correctly. What percent of the questions did Gabrielle a
    14·2 answers
  • Find for x: 8 times 7=x
    8·2 answers
  • Prove that if a number squared is even then the number is even
    13·1 answer
  • What is a factor of 98
    13·1 answer
  • If 50% of x I’d 150, what is 75% of x?
    13·1 answer
  • Question 2 of 10
    6·1 answer
  • ASAP there are three marbles in a bag. One is red and two are black. What is the probability of picking a black marble first, pu
    14·2 answers
  • Apply the Distributive Property to Simplify the Expression<br> 3(36)
    12·2 answers
  • Instructions: Solve the following equation for the variable given.
    7·1 answer
  • In how many ways can 13 students be seated in a row of 13 chairs if David, insists on sitting in the first chair?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!