Jka9yla6langa Jka9yla6langa
  • 22-02-2017
  • Mathematics
contestada

{y=x−75x+2y=7
Use the substitution method.

(0, −7)
(3, −4)
(7, 0)
(−1, −8)

Respuesta :

wolf1728
wolf1728 wolf1728
  • 24-02-2017
A) y=x−7
B)
5x+2y=7
A) x = y + 7
Substituting this into B)

y + 7 +2y = 7

3y = 0
y = 0
x = 7

Answer is C (7,0)

Answer Link

Otras preguntas

An engineer who is saving for her retirement plans to deposit $500 every quarter, starting one quarter from now, into an investment account. If the account pays
Journal Prompt: What is one thing that you will never give up, no matter what? Remember, your journal responses should be at least a paragraph in length, which
answer this please btw this a biology question . Proteins are found in all cell types and tissues. Contrast to proteins found in skeletal tissue, what is the ma
Can someone help me please?
Write the final draft of your list of formal commands. Remember, your list of commands come from you as a doctor or a dentist, based on the scenario you selecte
Question (Multiple Choice Worth 1 points) (05.01 MC) Respect is a value that is important to Heidi. Which of the following best reflects that value?
Simplify . 9 -9 12 -12
Cuando los modelos llegan al estudio para hacer una sesion fotografica, tenemos que llevarlos por un
Is there a proportional relationship between x and y A. B. C. D.
Describe the electric and magnetic fields that make up an electromagnetic wave in terms of their orientation relative to each other and their phases.