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
Ilia_Sergeevich [38]
3 years ago
8

Elimination method - -4x = 4y 4x - 8y = 12

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0

Answer: (4,-4)

y=-4, x=4

Step-by-step explanation:

-4x=4y

4x-8y=12

-8y=-4x+12  Now I can substitute -4x for 4y

-8y=4y+12

-2y=y+12

-3y=12

y=-4

-4x=4y

-4x=4(-4)

x=4

You might be interested in
HELP ASAP PLEASE
timama [110]
B? I think it’s b yeah I think it’s be
4 0
3 years ago
Yusef drove 130 miles in 2.5 hours. Which equation can be used to calculate r, the average speed at which Yusef drove?
Stels [109]
130 / 2.5 = 52 miles
7 0
3 years ago
Solomon has $118 he wants to purchase concert tickets for himself and five friends each tickets cost $19 does he have enough mon
Anon25 [30]
<span>Yes, Solomon has enough money to purchase the tickets for himself and his 5 friends. Purchasing 6 tickets at the cost of $19 will cost Solomon $114. As a result, Solomon has enough to money to pay for the tickets.</span>
7 0
3 years ago
Find the cost of a cd in 6years,assuming an inflation rate if 4% , if its present cost is $11.95
choli [55]

The cost of a cd after 6 year is =$ 15.12

Step-by-step explanation:

The present cost of the cd is $11.95 and inflation rate 4%

P = $11.95 , r = 4% and  n = 6 years

The cost of a cd after 6 year is =P (1+\frac{r}{100})^n

                                                   =$ 11.95(1+\frac{4}{100})^6

                                                   =$ 15.12

3 0
3 years ago
2x-7/3-5x+4/5=-x-4/30
Strike441 [17]

Answer:

Exact form: -7/10

Decimal form: -0.7

Step-by-step explanation:

Isolate the variable by dividing each side by by factors that don't contain the variable.

5 0
3 years ago
Other questions:
  • What is the measure of angle x?
    7·1 answer
  • Find the equation, in standard form, of the line passing through the points (3,-4) and (5,1)
    9·1 answer
  • Ked
    14·1 answer
  • Please<br> help find the measure of the exterior angle
    6·2 answers
  • Which of the following statements is not true?
    8·1 answer
  • The value of x 3 y, for x = -2 and y = 3, is -24.<br><br> True<br> False
    12·1 answer
  • If the zeroes of the polynomial x^3-14x^2+37x-60 are alpha,beta,gamma,then find
    8·1 answer
  • The sum of two numbers is 10. The difference between the two numbers is 4.
    5·1 answer
  • HELP PLS ILL MAKE YOU BRAINLY
    6·2 answers
  • How many edges does a hexagonal prism have​
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!