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
mr_godi [17]
3 years ago
14

5x+y=27 y=4x using substitution method

Mathematics
2 answers:
Feliz [49]3 years ago
7 0
Substitute 4x for y, and solve for x;
5x + (4x) = 27
9x = 27
x = 3
Substitute 3 in for x in the first equation and solve for y;
5(3) + y = 27
15 + y = 27
y = 12
Dvinal [7]3 years ago
4 0
 5x + y = 27
substitute: 5x + 4x = 27
combine: 9x = 27
divide (by 9): x = 3
You might be interested in
The function g is defined by the following rule. g(x)=5x-4 <br> complete the function table
Elan Coil [88]
(-4,-24) (-1,-9) (1,1) (2,6) (4,16)

8 0
3 years ago
Read 2 more answers
3. Make F the subject of the formula<br>H-2FL<br>W<br>3F​
lord [1]

Answer:

Step-by-step explanation:

Ur still up

5 0
3 years ago
What is the average monthly income for these weekly incomes: $256.00, $243.50, $252.05, $261.18, $225.93, $250.47
Vaselesa [24]
You add them all then divide the number by the total number of weekly incomes
8 0
3 years ago
What is an equation of the line that passes through the points (-6, 2)and (−6,6)?
monitta

Answer:

x=-6

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(6-2)/(-6-(-6))

m=4/(-6+6)

m=4/0

undefined

x=-6

4 0
2 years ago
91 more than the square root of a number
Genrish500 [490]

Answer:

Step-by-step explanation:

y = x 2 + 91

Explanation:

Let the number be  x

, then  Square of the number is  x ^2

91 more than the square of a number" will be  x^ 2  +  91

So, we can write it as an algebraic expression with two variables as :

y = x ^2  +  91

3 0
3 years ago
Other questions:
  • Match the mathematical expression with its translation
    8·1 answer
  • Evaluate the following expression b=3 c=-3 (b-c)(c+2)
    11·1 answer
  • Help help help thanks
    11·1 answer
  • 4.30 makeup; 40% discount find the sale to the nearest cent
    5·1 answer
  • At a competition with 8 runners, 2 medals are awarded for first and second
    5·2 answers
  • Inequality stuff, please help!
    10·1 answer
  • MARK BRAINLIEST!!!
    14·1 answer
  • Please can someone help
    5·1 answer
  • Asher is pet sitting for 1/5 dogs. He only has of a bag of dog food left for the day. If each dog gets the same amount, what fra
    7·1 answer
  • A recipe calls for for half-cup of sugar. Unfortunately Kirk only has a teaspoon with which to measure. he knows that there are
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!