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
Mars2501 [29]
3 years ago
10

Which is the best first step and explanation for solving this system of equations?

Mathematics
1 answer:
Volgvan3 years ago
7 0

Answer:

x=-4/9, y=10/3. (-4/9, 10/3).

Step-by-step explanation:

3x+4y=12

3x=2y-8

--------------

2y-8+4y=12

6y-8=12

6y=12+8

6y=20

y=20/6

simplify,

y=10/3

3x=2(10/3)-8

3x=20/3-8

3x=20/3-24/3

3x=-4/3

x=(-4/3)/3

x=(-4/3)(1/3)=-4/9

x=-4/9, y=10/3. (-4/9, 10/3).

You might be interested in
What is these decimal numbers from least to greatest
e-lub [12.9K]
Least to Greatest:
1.037, 1.073, 1.37, 1.703
7 0
2 years ago
Read 2 more answers
−1/2(7z+4)+1/5(5z−15)
Tanya [424]

Answer:

Step-by-step explanation:

-7z/2 - 2 + z -3

=-5 - 5z/2

5 0
2 years ago
PLS HELP, HOMEWORK. (15 points)
Norma-Jean [14]

Answer:

3. ???? (3 but that's incorrect)

4. 75 D

Step-by-step explanation:

Use PEMDAS ()^x/+-

4 0
2 years ago
What is a mixed radical in simplest form? Use square root number 72.
puteri [66]
It is 8 because you would do 9x8=72
7 0
2 years ago
Look at this equation <br> y=7x+1/3x-6<br> if 3x=15, then what is the value of y?
Anarel [89]

Answer:

y=36/9 or y=4

Step-by-step explanation:

3x=15: x=5

y=7(5)+1/3(5)-6

y=36/15-6

y=4

4 0
2 years ago
Read 2 more answers
Other questions:
  • for a field trip 4 students rode in cars and the rest filled nine buses. how many students were in each bus if 472 students were
    13·2 answers
  • Sound travels about 340m/s the function d(t)=340t gives the distance d(t) in meters that sound travel in t seconds how far does
    10·1 answer
  • The exact temperature of a glass of water in degrees Celsius
    5·1 answer
  • Determine whether the equation y minus y equals is sometimes always or never true
    14·1 answer
  • Please help I can’t figure this out
    14·1 answer
  • Can someone please help me answer this math question?
    9·2 answers
  • Find the inverse of f(x)= -4/x-1 +2
    11·1 answer
  • 25 ate only breakfast, 15 ate only lunch, 50 ate only dinner, 60 ate only lunch and breakfast, 225 ate only lunch and dinner, 50
    5·1 answer
  • A normal distribution has a mean of 75 and a standard deviation of 10 use the standard normal table to find the probability that
    15·1 answer
  • PLEASE HELP WILL MAKE BRAINILEST ALSO PLEASE SHOW UR WORK TYSM
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!