courtneygaffney4755
courtneygaffney4755 courtneygaffney4755
  • 04-02-2019
  • Mathematics
contestada

can someone explain the elimination method to me for this problem?

can someone explain the elimination method to me for this problem class=

Respuesta :

Аноним Аноним
  • 04-02-2019

Answer:

x = -8, y = 4.

Step-by-step explanation:

5x + 3y = -28

5x + 10y = 0

If we subtract these 2 equations we eliminate  x:-

0 + 3y - 10y = -28

-7y = -28

y = -28/-7 = 4.

Now substitute y = 4 in the first equation:

5x + 3(4) = -28

5x + 12 = -28

5x = -40

x = -8.

Answer Link

Otras preguntas

Barbara mixes 54 ounces of granola and 36 ounces of raisins. She divides the mixture into 6 ounce servings. How many servings does she make?
my number has 8 tens the digit in the ones place is greater than the digit in ten place
Enlightenment thinkers questioned traditional ideas about.? a.) government b.) medicine c.) religion d.) science
Why did scholars have problems recognizing the traditions of native American literature
A factory produces bottled water at a rate of 2,000 cases per hour. They know that 1.14% of the cases must be rejected because at least one bottle was damaged i
how do I write 119000003 in word form
Only __________ has the power to pass laws pertaining to Native Americans.
20 nails for every 5 shingles 12 nails for every three singles are the ratios equivalent
A persn uses 750 kcal on a long hike. Calculate the energy used in both units: a. joules b. kilojoules
Specific gravity is the density of an object compared to water? true or false?