Janessa73
Janessa73
27-03-2015
Mathematics
contestada
5x+2y=21-x-y=-9 what is the answer
Respuesta :
Panoyin
Panoyin
04-04-2015
5x + 2y = 21 ⇒ 5x + 2y = 21
-1x - 1y = -9 ⇒
5x + 5y = 45
-3y
=
-24
-3 -3
y = 8
5x + 2(8) = 21
5x + 16 = 21
- 16 - 16
5x
=
5
5 5
x = 1
(x, y) = (1, 8)
Answer Link
VER TODAS LAS RESPUESTAS ( 87+ )
Otras preguntas
Help me with this ASAP pleaseeeeeee
Please pass this on... ( #helpsavelives ) Who ever is reading this: If your going to try to rain on this or make it a joke just don't you arent as tough as you
For which type of emergency should employees follow the RACE guidelines? O A a slip or fall B. a biohazard O C. an injury OD a fire
is he a good person into affirmative???
Label the endpoints to round 21.897 to the nearest hundredth
Write an equation of the line that is parallel to the line whose equation is 3y+ 7 = 2x and passes through the point (2;6).
Please Help! will give brainlist
Cathy bough treats at her local bakery the past two weeks. The first week she bought 6 donuts and 3 muffins and paid $42. The second week she bought 3 donuts an
Exponential function f is represented by the table. x 0 1 2 3 4 f(x) 868 292 148 112 103 Function g is an exponential function passing through the points (0,800
who was the best actor in India