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
melisa1 [442]
3 years ago
12

Solve each by elimination x+y =19 x - y = -7

Mathematics
2 answers:
Rudiy273 years ago
7 0
X + y = 19
x - y = -7
Subtract both
2y = 26, y = 13
Plug into first equation
x + 13 = 19
x = 6

Solution: x = 6, y = 13
goldenfox [79]3 years ago
5 0

Answer:

x = 6

y = 13

Step-by-step explanation:

x + y = 19

x - y = -7

To eliminate x, subtract ther second equation from the first

2y = 26

y = 13

To eliminate y, add the equations

2x = 12

x = 6

You might be interested in
Austin has $5 more than Mark. If Mark has Δ dollars, write an expression for the amount of money Austin has.
elixir [45]
Mark+5=austin
 hope this helps
- turtles12345

7 0
3 years ago
Read 2 more answers
What is closest to -49 <br><br> a: -48.09<br> b: -48 3/5
Alborosie
I believe it is B.-48 3/5
6 0
3 years ago
Read 2 more answers
out of 420 students enrolled in a recreational soccer program, 40% are sixth graders. How many students in the program are sixth
Juliette [100K]

0.4(420) = 4(420)/10

(0.4 is essentially 4/10)

1680/10 = 168

There are 168 sixth graders

5 0
3 years ago
Read 2 more answers
Find the slope using points: (2,5) and (8,9)
Katena32 [7]

Answer: The slope is 2/3:)

Step-by-step explanation: (2,5) and (8,9)

9-5 =4 /2=2

8-2 =6 /2= 3

7 0
3 years ago
Read 2 more answers
For a Saturday matinee, adult tickets cost $8.50 and kids under 12 pay only $7.00. If 80 tickets are sold for a total
jolli1 [7]

Answer:

  • 30 adult tickets,
  • 50 kids tickets

Step-by-step explanation:

<u>Given</u>

  • Cost of adult ticket = $8.50
  • Cost of kids ticket = $7.00
  • Number of tickets = 80
  • Total cost = $605

Let the adult ticket be a and kids be k

<u>We got equations</u>

  • a + k = 80
  • 8.5a + 7k = 605

<u>From the first equation we get</u>

  • k = 80 -a

<u>Substituting k in the second equation</u>

  • 8.5a + 7(80 - a) = 605
  • 8.5a - 7a + 560= 605
  • 1.5a = 45
  • a = 45/1.5
  • a = 30

<u>Then finding k</u>

  • k = 80 - 30 = 50

8 0
3 years ago
Other questions:
  • You are getting ready for a family vacation. you decide to download as many movies as possible before leaving for the road trip.
    5·1 answer
  • Tom has $190 and Jane has$60. After each of them received an equal amount of money from their father Tom had twice as much money
    7·1 answer
  • An urn contains 10 bails: 5 are white, 3 are red, and 2 are black. three balls are drawn at random, with replacement, from the u
    7·1 answer
  • Find the roots of the parabola given by the following equation. <br><br> 2x2+ 5x - 9 = 2x
    15·1 answer
  • FIND THE GCF, THEN FACTOR THE EXPRESSIONS
    11·1 answer
  • Multiplying by which number is equivalent to finding 111%?
    7·1 answer
  • HELP!! I WILL give Brainly!! LINKS WILL BE REPORTED. THANK YOU!!
    10·1 answer
  • Please help me out with this one! I need step by step instructions (30 points!)
    10·1 answer
  • If i get a 70% does that count at 2.0 gpa
    6·1 answer
  • In isosceles ∆ABC, points M and N belong to base
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!