haileym368 haileym368
  • 03-06-2021
  • Mathematics
contestada

2x−15y=−10 −4x+5y=−30
Solve the following system for y:

2x15y10 4x5y30 Solve the following system for y class=

Respuesta :

hjksaghn2 hjksaghn2
  • 03-06-2021

Answer:

10

Step-by-step explanation:

multiply the first equation by 2 in order to be able to cancel out the -4z and the 2x

4x-30y=-20

-4x+5y=-30

50y+5y = -20+(-30)

55y=-50

Answer Link

Otras preguntas

what is sum of 5/8 + 5/8
After air is taken in through the mouth or nose, it travels through the _____. bronchi, trachea, and the lungs pharynx, trachea, and then the lungs diaphragm, a
What word should you avoid when correcting a child?
How can doing something for someone else help to relieve stress? A. It gets your mind off your own troubles. B. It helps you to sleep better. C. It can get you
If the range of the function f(x)=x4 is {28, 30, 32, 34, 36}, what is its domain?
Do you think there were any points at which civil war might have been averted?
What are examples of local diversity??
Why did most Irish Americans favor neutrality?
why did the United States was able to assert itself on the World Stage after WWII?
George Washington opposed which of these? A. Permanent alliance with foreign nations B. The doctrine of judicial review C. Neutrality in foreign affairs D.