martinovic5
martinovic5
22-04-2015
Mathematics
contestada
substitution
y=2x+5
x+2y=15
Respuesta :
Panoyin
Panoyin
23-04-2015
y = 2x + 5
x + 2y = 15
x + 2(2x + 5) = 15
x + 2(2x) + 2(5) = 15
x + 4x + 10 = 15
5x + 10 = 15
- 10 - 10
5x
=
5
5 5
x = 1
y = 2(1) + 5
y = 2 + 5
y = 7
(x, y) = (1, 7)
Answer Link
VER TODAS LAS RESPUESTAS ( 54+ )
Otras preguntas
President Kennedy's main goal in the United States' 1962 decision to blockade Cuba was to?: A. encourage Castro to reopen diplomatic relations with the United S
explain why you must simplify 3 to the second power first
A failure of the red-sensitive nerves in the eye to respond to light properly causes A. astigmatism. B. farsightedness. C. chromatic aberration. D. color bl
Who says "The course of true love never did run smooth"? A. Titania B. Bottom C. Lysander D. Demetrius
the scale on a map shows that 1.5 centimeters represents 200 kilometers. on the map two cities are 6 centimeters apart what is the distance between these two ci
What was the significance of the Immigration Acts of 1921 and 1924?: A they limited immigration from Mexico for the first time. B they created a category of "sp
If you're aerobically fit, you can A. run a marathon without experiencing fatigue. B. quit your normal exercise routine without any negative effects. C. sust
Who speaks the line "Lord, what fools these mortals be"? A. Puck B. Cobweb C. Oberon D. Mustardseed
why did indian muslims believe that the indian national congress could not meet their needs
Where was famed illusionist and escapologist Harry Houdini from?
