trinip2010
trinip2010 trinip2010
  • 02-10-2016
  • Mathematics
contestada

how to solve equations
3y-2x=11
y+2x=9




Respuesta :

princegn
princegn princegn
  • 02-10-2016
3y-2x=11
y+2x=9
just plus them
4y = 20
y = 5
put y = 5 in y+2x=9
5 + 2x = 9
2x = 9 - 5
2x = 4
x = 2
thus x = 2
 y = 5
Answer Link
Wexler
Wexler Wexler
  • 02-10-2016
1. y=9 and x=8
2. y=-29 and x=20
Answer Link

Otras preguntas

1. Leading up to the Battle of Chickamauga, which side had been having more success (winning more battles)? Explain. 2. Which city was Union General Rosec
Trigonometric Identities PLEASE HELP
The mean is defined as the A. middle of the data set. B. number that shows up most often in a data set. C. range of the data set. D. average of a da
What organelle packages proteins in vesicles and sends them to the body where that are needed
Choose the phrase or word that best completes the statement: Lines are perpendicular if they are
Which term refers to a physical characteristics that are studied in genetics?
Which is one of the four basic principles of the 1628 petition of rights?
i need help with my math homework
which two philosophies helped to maintain a strong central government in china ?
What was nicholas ii response to the revolution of 1905?