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
Naya [18.7K]
3 years ago
8

Solve the system of linear equations by substitution. 2x-y=3 x+5y=14

Mathematics
1 answer:
adoni [48]3 years ago
4 0
Let 2x – y = 3 ——— equation 1

Let x + 5y = 14 ——— equation 2

Making x the subject in eqn 1, = x = y + 3 / 2 ——— eqn 3

• Put eqn 3 in eqn 2

(y + 3 / 2) + 5y = 14

6y = 14 – 3/2

6y = 25/2

y = 25/12

• put y = 25/12 in eqn 3

x = (25/12 + 3/2)

x = 43/12
You might be interested in
14. Write a conditional statement that is TRUE and has a converse that is FALSE.
zepelin [54]

Answer:

conditional: if it is a rose then it's a flower

converse: if it is a flower then it's a rose

8 0
3 years ago
Andrea and sula ran a race on a track that was 100 meters long.When andrea crossed the finish line sula was exactly 5 meters beh
cestrela7 [59]
Andrea will be at 95 meters and Sula would win I think.
7 0
3 years ago
Which had the greater absolute value <br> 19 or -28
nignag [31]

Answer:

-28 has the greater absolute value.

Step-by-step explanation:

19's absolute value is 19

|19|=19

but -28's absolute value is 28

|-28|=28

and 28 is greater than 19

19<28

hope u understood and it helps

if any doubt, don't hesitate to ask in the comments

and ur welcm

:)

8 0
3 years ago
Write real world problem that involves a positive and a negative value.then graph the values used in the problem on a number lin
Reil [10]
I got a $5000 scholarship. I spent $300 on a Nintendo Switch. How much money do I have now?
8 0
3 years ago
A cake recipe calls for 4 cups of flour and 2 cups of sugar.
Natalka [10]

Answer:

The unit rate is 2 cups of flour per cup of sugar.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • A large aquarium has one tank holds 41,253 gallons of water and another tank that holds 62,965 gallons of water . How many total
    15·2 answers
  • Which rule yields the dilation of the figure BCDE centered at the origin?
    10·2 answers
  • HELP WILL MARK YOU BRAINLIEST NO GUESSES PLZ!!!!
    7·1 answer
  • Math help!!!! will mark you brainliest
    15·2 answers
  • NEED HELP ASAP PLEASE<br><br> Y+1=3/4(x+3) <br><br> What is this equation in standard form?
    5·1 answer
  • Solve the following formula for m<br><br> C = amt<br><br> m =<br><br> Answer as expression
    6·1 answer
  • What's the rule?<br> 25, 20, 15, 10
    5·2 answers
  • An online DVD rental site charges a monthly membership fee of $10,
    15·1 answer
  • Which of the following is a true statement about the rhombus shown
    10·2 answers
  • If 500’ roll of wire costs 18.44 what I’d the first of wire per foot
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!