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
Marat540 [252]
4 years ago
11

X+y=3 3x-y=-7 elimination method

Mathematics
1 answer:
Alina [70]4 years ago
3 0

x + y = 3

+ x - y = -7

-------------------

2x = -4

x = -2

-2 + y = 3

y = 5

You might be interested in
What is (5 7/8 minus 6 3/4) minus 2 1/4 ? Please give me the correct answer and stepy by step instructions.
MaRussiya [10]
(5 7/8-6 3/4)-2 1/4
Solve the numbers in the parenthesis ( I change the denominators to a common denominator that 8 and 4 share)
(5 7/8 - 6 3/4)-2 1/4
          ^
        -1  1/8-2 1/4
(I use KKC aka Keep Change Change where I keep -1  1/8 the same, change the minus sign to a plus sign, and change the -2 1/4 to positive) ( I change the denominators to a common denominator that 8 and 4 share)
-1  1/8 + +2 1/4 = 1  1/8 
6 0
3 years ago
- 3 (n-3)-5<br> simplify the expression using distributive property please rnnn
Tju [1.3M]
Distribute the “-3” to both n&-3 —> -3n+9 then your left with -5 and subtract 9-5

-3n+4

Hope this helps:)
4 0
3 years ago
What is the answer to 2h/15=20?
GarryVolchara [31]
2h/15=20 so the answer to h would be h=150
7 0
3 years ago
The ferris wheel shown makes 12 revolutions per ride how far would someone travel during one ride
Lina20 [59]
I can not see your ferris wheel and so I can not answer it.
6 0
4 years ago
Can someone answer number 16 PLEASE
-Dominant- [34]

Answer:

If i am correct it should be 34

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • 0.03(x - 3) = 0.3 x=__
    10·2 answers
  • PLEASE PLEASE PLEASE HELP ME WITH ALGEBRA 1 PLEASE!?!?!?!?!!!?!?!?!?!?! I WILL GIVE LOTS OF POINTS AND BRAINLEST PLEEEEEEEEEEEEE
    14·2 answers
  • An inspector inspects large truckloads of potatoes to determine the proportion p in the shipment with major defects prior to usi
    14·1 answer
  • 6*10^-2 is how many times as 2•10-8
    7·1 answer
  • 17x = 85 what is the value of x that makes the equation true?
    15·2 answers
  • What is 3 8/9 - 1 5/8
    5·2 answers
  • PLEASE HELPPP Which is the graph of f(x) = 4 (1/2)^x ?
    5·1 answer
  • -8 - 10 x (-1) + 7 x (-1)
    14·2 answers
  • What is the zero of the linear function graphed below ? (0,5) (2,-5)
    11·1 answer
  • Are the lines y=x+4 and y=x-2 perpendicular
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!