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
myrzilka [38]
3 years ago
5

Solve using elimination. -7x – 5y = 5 -9x – 5y = 15

Mathematics
2 answers:
docker41 [41]3 years ago
7 0
Eliminate y's
multiply 2nd eqution by -1 and add to 2nd

-7x-5y=5
<u>9x+5y=-15 +</u>
2x+0y=-10

2x=-10
divide 2
x=-5
sub back

-9x-5y=15
-9(-5)-5y=15
45-5y=15
minus 45 bot sides
-5y=-30
divide both sides by -5
y=6

x=-5
y=6

(x,y)
(-5,6)
ozzi3 years ago
3 0
 -7x-5y=5
-(-9x-5y)=15   It's minus because negative times negative = positive
2x=-10
x= -5

-7(-5) - 5y = 5
35-5y =5
-5y = -30
y=6
You might be interested in
Item 5
kotykmax [81]
Here’s the link to the answe

:510 around th e cme3 cthulhu.com
6 0
2 years ago
What’s the answer? The question is the pic below PLEASE HELP
Naddik [55]

Answer: 10%

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
240 examiners can complete the
adelina 88 [10]

40 more examiners.....

4 0
2 years ago
Read 2 more answers
Find the volume of rectangular prism if the length is 4X +3 with is X -6 and a height is 2X -1
cricket20 [7]

Answer: 8x³ - 46x² - 15x + 18

Step-by-step explanation:

To find the volume of a rectangular prism we will multiply each of the three dimensions given

First, let's multiply 4x+3 by x-6: (4x+3)(x-6) = 4x² - 21x - 18

Then we will multiply 4x²... by 2x-1: (4x²-21x-18)(2x-1) = 8x³ - 46x² - 15x + 18

5 0
3 years ago
Tabitha has a deck of cards numbered 1−10. She picks one card, puts it back in the deck and then chooses a second card. What is
Valentin [98]
First compute the whole number of the possibilities :
10*9=90.
Compute the number of favorable possibilities:
There is 5 even numbers. Once we pick an even number, 
we pick 5. So the number of the favorable possibilities is 5.
Now we compute the probability like this:
\frac{5}{90}
3 0
3 years ago
Read 2 more answers
Other questions:
  • Match the range of the function f(x) = x2 + 2x − 1 to its domain. Tiles 2 -2 3 -3 Pairs 2 14 7 -1
    5·1 answer
  • The exterior angles of a triangle measure x + 3, 2x + 1, and 3x - 4. Find the measure of each exterior angle. A) 18°, 31°, and 4
    8·1 answer
  • Helga signs up to coach hockey. She
    9·1 answer
  • What number is 2/8 of 9/14?
    10·1 answer
  • -2(a-8)+6a=36 <br> what's the value of a<br> A=
    9·1 answer
  • Consider a data set containing the following values:
    14·1 answer
  • I will give brainiest to whoever answers correctly !!
    6·1 answer
  • Find the volume! It’s due soon.
    6·2 answers
  • -3x-1x+5=-3 I need hel
    14·2 answers
  • 14-4(3x+1)+2x simplify
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!