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

At the bank brent exchanges $50 in bills for 50 one-dollars coins. the total mass of the coins is 405 grams. estimate the mass of 1 one - dollar coin.
Tallest mountain in the world
Please help !! Answer correct for a brainliest and also a thanks ! Don't answer if you don't know it .
por favor ayuda?!!! help 5 oraciones con la palabra Fui
EASY Translate the expression into a word phrase. n – 6 A. six less than a number B. a number is less than six C. six minus a number D. a number subtracted
Pamela's age is two times Jiri's age. The sum of their ages is 63 . What is Jiri's age?
What was the document that was created when when the United States first gained independence?
How waves shape the coast?
What is the average rate of change of the function f(x)=120(0.1)^x from x = 0 to x = 2?
Which explains what happens to a warm air mass at a cold front? A. A warm air mass overtakes a cold one, and the warm air rapidly rises and cools. The water i