christybrown13257 christybrown13257
  • 13-02-2020
  • Mathematics
contestada

What is the result of subtracting the second equation from the first -2x+7y=10 3x+7y=2

Respuesta :

monica789412 monica789412
  • 18-02-2020

The answer after subtracting the following equation is x= -8/5

Step-by-step explanation:

  • -2x+7y=10 ----- eq(1) , 3x + 7y =2------ eq(2)

  • 7y+3x =2
  • 7y-2x = 10
  • subtracting eq 2 from eq 1 we get
  • 5x = -8
  • x= -8/5

   

Answer Link

Otras preguntas

Let's talk about Caesar shall we? Which of the following phrases best explains Brutus's concerns about Caesar potentially becoming king? "The past has no power
write a paragraph that explains why hot-air ballons float
Statements about a square that are always true ?
Clouds dump around 100 billion gallons of water on rainforests each year. How much rain is evaporated from the rivers, lakes and surface of rainforests each yea
What hardships did southerners face at home
what is the reciprocal of 15?
What is the explaining 8688 divided by 8.2 = what
ratios that are equivalent to 25%
Which description of the term Manifest Destiny is correct? A. the belief that Native Americans should be allowed to set up their own tribal governments
How would I use Prokaryotic Cell in a sentence?