Seudónimo Seudónimo
  • 18-12-2019
  • Mathematics
contestada

25 pts
2x + y = -2
x + y = 5

The x-coordinate of the solution to the system shown is _____.

-7
-3
3
7

Respuesta :

jcherry99
jcherry99 jcherry99
  • 18-12-2019

Answer:

Step-by-step explanation:

2x + y = - 2

x   + y =  5              Subtract to get rid of the y

x = -2-5

x = -7

Answer Link
MadisonTwist MadisonTwist
  • 20-12-2019

Answer:

x=    -7

Step-by-step explanation:

after deducting second equation from first we get

2x+y-(x+y)= -2-5

aftert soving this equation

x+0= -7

x= -7 ans

Answer Link

Otras preguntas

in 1966 betty friedan helped launch the ____
What kind of energy is stored in an electromagnet?
gabrielles age is three times mikhals age. The sum of their ages is 44. What is MIkhails age?
The graph of the function f(x) = (x +2)(x + 6) is shown below. What is true about the domain and range of the function? The domain is all real numbers, and the
Given that y varies directly with x in the table below, what is the value of y if the value of x is 7?
Which contains the greatest number of moles of oxygen atoms: 1 mol of ethanol (c2h5oh), 1 mol of formic acid (hco2h), or 1 mol of water (h2o)? explain why?
_______ may be used in equine medicine to diagnose lameness by administering it to an area and observing abatement and lameness.
Read the introduction to Jorge’s personal narrative, “Goodbye, My Friend.” When I was in eighth grade, my best friend’s parents told us that their family was m
How many combinations are possible if 1 man and 1 woman refuse to work with each other?
By the congruent supplementary theorem, what can you conclude