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
kozerog [31]
2 years ago
7

Y=3x-2 Y=2x-5 Find X and Y using substitution

Mathematics
1 answer:
tiny-mole [99]2 years ago
4 0

y = 3x -2~~~.....(i)\\\\y = 2x-5~~~.....(ii)\\\\\text{Substitute equation (i) in equation (ii):}\\\\3x-2 = 2x -5\\\\\implies 3x -2x = -5+2\\\\\implies x = -3\\\\\text{Substitute}~ x =-3,~ \text{in equation (i):}\\\\y = 3(-3) -2 = -9 -2 = -11\\\\\text{Hence,}~ (x,y) = (-3,-11)

You might be interested in
Jose Rivera purchased 7 textbooks for his classes at River Run Community College. The total cost of the texts was $208.55. What
shepuryov [24]
In the question, there are certain information's that are of immense importance in regards to finding the answer. The first information is that Jose Rivera had purchased 7 textbooks for his classes at River Run Community College. The price that Jose Rivera had to pay was $208.55. The average cost per textbook needs to be found.
The cost of 7 textbooks purchased by Jose Rivera = 208.55 dollars
Then
The cost of 1 textbook purchased by Jose Rivera = (208.55/7) dollars
                                                                               = 29.79 dollars
The average cost of a textbook purchased by Jose Rivera rounded to the nearest cent is 29.80 dollars.
6 0
3 years ago
Which expression is eqivalent to 9a +12
koban [17]

3(3a + 4)

this the anwers

8 0
3 years ago
Read 2 more answers
How do u work out (2¾)²
Sergeu [11.5K]

You would do 2^2 and will come out to 4. Your mixed number is 4. Then you will do 3/4^2 and will come out to 9/12  Your answer is 4 9/12


8 0
3 years ago
Factor the expression 2x4y – 18x2y3 completely.
Annette [7]

Answer:

B. 2x2y(x – 3y)(x + 3y)

Step-by-step explanation:

2 {x}^{4} y - 18 {x}^{2}  {y}^{3}  \\  = 2 {x}^{2} y( {x}^{2}  - 9 {y}^{2} ) \\  = 2 {x}^{2} y \{ {x}^{2}  -  {(3y)}^{2} \} \\  \purple {\boxed{ \bold{ = 2 {x}^{2}  y(x - 3y)(x + 3y)}}}

5 0
3 years ago
Read 2 more answers
The dimensions of a rectangle can be represented by
Nataliya [291]

Answer:

Its D. h(x) = 15x2 – 41x + 14

Step-by-step explanation:

Got it right on edge.

8 0
3 years ago
Read 2 more answers
Other questions:
  • Amy's penny bank is 1/2 full. After she adds 360 pennies, it is 5/6 full. How many pennies can Amy's bank hold?
    11·1 answer
  • A stack of ninety cards is placed next to a ruler, and the height of stack is measured to be 3 /4 of an inch. How thick is one c
    15·2 answers
  • Which statements are true?
    15·1 answer
  • the markup on a restaurant meal is 250%. a meal cost $7.30 to produce. how much will the customer be charged before tax and tip?
    11·1 answer
  • If I was 2 years old, and my sister was half my age. How old would my sister be?
    11·2 answers
  • What's 16/100 in simplest form
    5·1 answer
  • Work out the number of ham sandwiches Tina had
    14·1 answer
  • Find the area of the circle.
    7·2 answers
  • HELP PLS LMK IF U CANT READ IT AND I WILL TYPE IT
    14·1 answer
  • Sam and Jane split the cost of one sandwich and two bottles of water. The sandwich cost $4.50 and EACH bottle of water cost $1.2
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!