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
crimeas [40]
3 years ago
10

Solve the system by substitution. - 2 + 3y = 20 7y = x

Mathematics
1 answer:
Savatey [412]3 years ago
3 0

Answer:

x = 22,  y = 22/7

Step-by-step explanation:

solve for y using first equation:

-2 + 3y = 20

3y = 22

y = 22/7

substitute 22/7 into second equation:

7y = x

7(22/7) = x

x = 22

You might be interested in
Darcy wants to buy a new skirt. The price of the skirt is $35.00 and 7% sales tax will be added to the price. Darcy has $40.00 t
Novay_Z [31]
The value of the skirt with a tax is
$35.00 + ($35.00 x 0.07) = $37.45
He has $40.00 and his change will be
$40.00 - $37.45 = $2.55
5 0
3 years ago
When it was built, the given stadium held 31,080 fans per game. Today, it holds 86,047. How many more fans could attend per year
RSB [31]

Answer:

659604 students

Step-by-step explanation:

86047-31080=54967 more students per game

54967 students per game x 12 games = 659,604 students

4 0
3 years ago
Order the following rational numbers from highest to lowest. 59%, 0.8, 0.73 , 3/4​
Goryan [66]
.8, 3/4 (.75), .73, 59% (.59).
5 0
3 years ago
Read 2 more answers
Find the average rate of speed, expressed in miles per hour (unit rate). A post office truck delivered mail on a 9-mile route in
Fed [463]

Answer:

4.5 miles per hour

Step-by-step explanation:

8 0
3 years ago
Why are these incorrect 3sqrt 7 - sqrt 7 =3
timurjin [86]
Because the left side sqrt is multiplied by 3 if it was just added it would be correct because it would cancel out and leave the 3’s. Since it’s multiplied it would change the value
5 0
3 years ago
Read 2 more answers
Other questions:
  • Kevin had to measure the diameter of a hair strand and the diameter of a grain of sand for his science experiment. He found the
    6·1 answer
  • Eric is planning to paint the four pillars that are attached to the front of his house. But, he needs to know how many square fe
    7·2 answers
  • Tom has 28 milk chocolates, and Emily has 24 dark chocolates. They have to divide these chocolates into smaller packets that eac
    10·1 answer
  • A survey was taken of students in math classes to find out how many hours per day students spend
    13·1 answer
  • Plsssss help me with this angle circle problem what is x
    10·2 answers
  • Okay so I don’t get this at all
    10·1 answer
  • scott Consider the table below that represents a function Which number(s) below can be placed in the empty cell so that the tabl
    6·1 answer
  • Which of the following tables does NOT show a proportional relationship?
    10·2 answers
  • Select the correct answer.
    7·1 answer
  • The slope-intercept form of the equation of a line that passes through point (-3, 8) is y = -2/3x + 6. What is the point-
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!