savanahlines2
savanahlines2 savanahlines2
  • 11-06-2016
  • Mathematics
contestada

1) A student uses the substitution method to solve the system of equations below algebraically.


2x - y = 5
3x + 2y = -3

Which equivalent equation could be used?

(A) 3x + 2(2x - 5) = -3
(B) + 2(5 - 2x) = -3
(C) 3(y + 5/2) + 2y = -3
(D) 3(5/2 - y) + 2y = -3

Respuesta :

ANCKPOP
ANCKPOP ANCKPOP
  • 11-06-2016
{2x - y = 5 {3x + 2y = -3 *2x - 5 = y 3x + 2 (2x - 5) =-3 The answer Is a
Answer Link

Otras preguntas

i am a 5 digit number,my ones place digit is of no use as i, i still remain same without it . my ten's and hundreds place digits are mirror images. my thou
I’ll give brainiest whoever answers this
calculate the number of mole in 11.2l,at stp of oxygen​
Can y’all help me on question 24?!
pls help me, i need to get my grade up as soon as I can
What number would you add to both sides of x2 + 7x = 9 to complete the square?!...
The article says that Hoi Ha Wan Marine Park is off the coast of Hong Kong. What does "off the coast" mean?
Fill in the blank to best complete the following sentence: Mit diesen grossen Ohren __________ ich dich besser hören. müssen dürfen kann wird
Use what you know about DNA to predict some of the physical properties of DNA that you will observe.
Please answer with explanation