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

what is 15.70796327 rounded to 1 decimal point?
what is 15.70796327 rounded to 1 decimal point?
What two numbers has a lcm of 50
Estimate 46/6,725, then find the quotient.
what variables can affect the number of books sold by a door to door salesperson
What is 3/50 as a decimal And show work
Write five names for 64 .
1) fought at Lexington and Concord 2)a formal meeting called for a special purpose 3) complaints against British rule 4) formed to solve the problem of trade
what evidence shows that sumerians where not prehistoric
Which three countries have the least access to technology?