jdolan8 jdolan8
  • 02-03-2020
  • Mathematics
contestada

Solve the system below algebraically:
4x-y=20
-2x-2y=10

Respuesta :

pezgrl78 pezgrl78
  • 02-03-2020
X= 3
Y= -8

Solve the 1st equation for y.
With your new Y value, plug it into the 2nd equation (for y).

Take a look at pic.
Answer Link

Otras preguntas

which areas were obtained after the revolutionary war?
What is nth term for 0 6 24 54 96?
you are facing east. you turn left, then left again, then about face, then right. which direction are you finally facing?
a map has a scale of 2 in : 25 mi. The map shows a highway is 31 inches long. how long is the actual highway?
What are similarities between:The Han and Shang Dynasties?The Han and Xia Dynasties?Please help as it's due tomorrow and I don't have long to do it!
when did grass evolve?
the measure of distance from one point to another is?
What cruel action did macbeth order to insure his status
What cruel action did macbeth order to insure his status
katherine spends 1,089.72 each month for rent and supplies to run her salon. If she charges $18 for a haircut how many hair cuts must kathrine do to cover her e