Jala1234567890 Jala1234567890
  • 25-04-2019
  • Mathematics
contestada

2x + y = 3 x - 2y = -1 If equation two is multiplied by -2 and then the equations are added, the result is what?

Respuesta :

sofiaSMEB22
sofiaSMEB22 sofiaSMEB22
  • 25-04-2019

Answer:

  1. 2x + y
  2. 3 x - 2y
  3. -1

2(3 x - 2y) = -6x + 4y

2x + y + -6x + 4y + -1 = -4x + 5y -1

Answer Link

Otras preguntas

what does tropic of cancer meansplease help :(....
Can some one please help me anyone????
what does prime meridian mean
How do you calculate 24 3/8 - (-54 1/8)=
what is beyond the city of ember?                               for the book:                                                  the city of ember
Count by tens and ones to find the sum of 52+34 Use the number line to show you thinking by
A car accelerates from 15 m/s to 25 m/s in 15 s. What is the car's acceleration?
What are all the factor strings of 840?
innovations for the printer? with date
Solve for x: 8 is to 64 as 2 is to x