allaboutjackie allaboutjackie
  • 13-05-2020
  • Mathematics
contestada

Solve using elimination.
2x – 4y = 10
-3x + 4y = -19

Respuesta :

nijagold nijagold
  • 13-05-2020

Answer:

x= 9 y=2

Step-by-step explanation:

Add up the equations vertically to eliminate y.

-x=-9

change the signs:

x=9

substitute the given value of x into the equation 2x-4y=10

2(9)-4y=10

18-4y=10

4y=8

y=2

Answer Link

Otras preguntas

C(squared)L(squared) + 100v(squared) = 100c(squared)I have to solve for L
Why does land heat up more faster than water?
What is the quotient of -1 4/5 and 2 1/4?
C(squared)L(squared) + 100v(squared) = 100c(squared)I have to solve for L
What kind of particles make up compound
List 3 commercial uses of sponges.
How does 4/15=14/n? What does n equal?
Search results for "A shipment of 18 cars, some weighing 3,000 pounds, and the others weighing 5,000 pounds each. Together the shipment has a total weight of 30
How does 4/15=14/n? What does n equal?
List 3 commercial uses of sponges.