fazecody04
fazecody04 fazecody04
  • 11-12-2018
  • Mathematics
contestada

Solve by the linear combination method. 2x + 3y = 11 –4x + 2y = 2 60pts please answer in 5 minutes

Respuesta :

rossolillemicha rossolillemicha
  • 11-12-2018

2x+3y=11

4x+2y=10

multiple the top equation by -2

-4x-6y=-22

4x+2y=10

-4y= -12

y=3

then plug 3 for y so 2x+9=11

2x=2

x=1 and y=3

Answer Link

Otras preguntas

The admissions office at a university sends out 1000 admission letters to prospective students. The probability that an admitted student actually enrolled at th
Which equation represents a line which is parallel to y = 0? y = x - 4 y = 8 x = 8 x = -3y
Given the recursive equation, NEXT = NOW * 8, find the 3rd term if the first term is 4. Please explain!
Please help ! Which statement is true?(1 point) A )Endotherms cannot insulate their bodies and can only self-regulate their body temperature involuntarily. B )E
In most cells in the human body, the enzyme telomerase is inactive. However, telomerase is active in some cells (such as skin) that require constant cell divisi
i dont know this.......
Can you please write a thesis for this? 1. Oh I’ve just come from the Land of the Sun From a war that must be won In the name of truth With our soldiers so bra
When forces are balanced but acting in different directions, then the object will
AHHHHHHHHH help me eddd​
In the following proportion, what does x equal?x/8 = 23/40 A. 4.6 B. 5.4 C. 6.1 D. 6.8