Julissalopez34 Julissalopez34
  • 17-09-2014
  • Mathematics
contestada

Solve system by elimination
20x-12y=-20
-10x+6y=10

Respuesta :

crisforp
crisforp crisforp
  • 17-09-2014
10x+6y=10 / * 2 => 20x + 12y = 20; but, 20x - 12y = -20 => 40x = 0 => x = 0; 12y = 20 => y = 20 / 12 => y = 1,(6).
Answer Link

Otras preguntas

2(x3)=5x+6-3x true or not true
How has the force of deposition hindered Arkansas? A. Flooding rivers deposited rocks in the Ozark Mountains. B. The New Madrid Seismic Zone (NMSZ) brought mo
why does humans are afraid of the dark​
A roulette wheel has 18 red slots, 18 black slots and 2 green slots. Suppose I bet on red and you bet on black, both on the same spin of the wheel. a) What is t
Reflection: Knowing now how simple it is to post fake news, what are your thoughts about it?
HELPP ASAP :Describe two ways that the pancreas assists in the digestion process. :))​
When did "point and shoot" cameras come into existence?
A person traveling 60 feet per second is traveling jow fast, in miles per hour?​
Harry has a batting average of .200 (i.e., a 20 percent chance of a hit each time he's at bat). Scouts for a rival baseball club secretly observe Harry's perfor
How many atoms make 3.42 moles of zinc (Zn)? O 2.06 x 1024 65.38 1.76 x 1023 O 6.02 x 1023