qwerty61067 qwerty61067
  • 13-08-2018
  • Mathematics
contestada

Given the system of equations, what is the solution?
2x + y = -1
x - y = -5


A. {(-8, -3)}
B. {(2, 7)}
C. {(-2, 3)}

Respuesta :

devin561
devin561 devin561
  • 13-08-2018
Answer is C. By solving x-y=-5 to x=-5+y and converting 2x + y = -1 into 2x + x + 5 = -1 the answer becomes -2 =x. By plugging that into 2 (-2) + y = -1, the answer is y=3. So your answer is C
Answer Link

Otras preguntas

a television weighs 7.4 kilograms how many grams does the television weigh
does wind travel from west to east in the u.s PLEASE
What is the value of 5 in 7.258?
What is b raised to 3/2 in radical form?
I NEED HELP ASAP!!! PLEASE!!! Read the excerpt from Silent Spring. Then, answer the question. “No witchcraft, no enemy action had silenced the rebirth of new li
When new cells are formed through the process of mitosis what os the number of chromosomes in the new cells?
Two consecutive even integers have a sum of 45
Napoleon’s army was unprepared for the cold russian winters, and only about 10,000 of his 400,000 men returned from the campaign. true or false?
what was henry david thoreau doing when he wrote walden ?
Explain how Sophocles uses allusion to affect the mood of the audience