Jillianborges1214 Jillianborges1214
  • 01-11-2020
  • Mathematics
contestada

Solve the system using elimination.
x-2y = - 12
- x + 4y = 20

Respuesta :

annie413
annie413 annie413
  • 01-11-2020

Answer:

x=-4

y=4

Step-by-step explanation:

Isolate a variable and plug into the other equation. Then solve for the variable and plug into one of the original equations.

Answer Link
meredith48034
meredith48034 meredith48034
  • 01-11-2020

Answer:

Step-by-step explanation:

x-2y=-12

-x+4y=20

2y= 8

y =4

x - 2(4) = -12

x - 8 = -12

x = -4

(-4, 4)

Answer Link

Otras preguntas

what is the value of the tape diagram if the ratio is 8 to 7 and the total is 195
AFTER EVERY NINTH VISIT TO A RESTAURANT YOU RECEIVE A FREE BEVERAGE . AFTER VERY TWELFTH VISIT YOU RECEIVE A FREE APPETIZER . IF YOU VISIT THE RESTAURANT 100 TI
what happened to the loyalists property after the revolutionary war was over
The ordered pairs (0, -2), (1, 1), (2, 4), (3, 7), and (4, 10) represent a function.  What is a rule that represents this function?
Which passage is chronological???
What is the range of numbers along the lines of longitude
by what methods did paleolithic people get food?
-3x+25+x+21=2please explain the steps i'm really confused
i am in 5th grade. jorrod's sports card holder can hold 9 cards on each page. how many pages will jarrod need if he has 75 sports card.solve using models. expla
food A contains 150 calories in 3/4 of a serving. food B contains 250 calories in 2/3 of a serving. which food has fewer calories per serving?