tweety1 tweety1
  • 02-02-2015
  • Mathematics
contestada

x+y=10 x-y=20 how do you solving systems of equations with elimination

Respuesta :

konrad509
konrad509 konrad509
  • 02-02-2015
[tex]x+y=10\\ \underline{x-y=20}\\ 2x=30\\ x=15\\\\ 15+y=10\\ y=-5\\\\ \boxed{(x,y)=(15,-5)}[/tex]
Answer Link

Otras preguntas

How has the Christian belief system influenced the culture of the areas where is practiced?
Help me find the answer for number problem 2 please
bud not buddy how is the airnin the library unlike anywhere else?
What is 6√ / 5√ in simplest radical form?
in NLM, M=(4x-4), L=(3x+12) and N=(6x+3). What is X? A. 9 B. 12 C. 13 D. 14
a circle circumference is approximately 76 cm. estimate the radius diameter and area of the circle
What is the value of x
I need an answer for this question
How has the Christian belief system influenced the culture of the areas where is practiced?
Daniel runs laps every day at the community track. He ran 45 minutes each day, 5 days each week, for 12 weeks. In that time, he ran 1,800 laps. What was his ave