Seudónimo Seudónimo

20-01-2017
Mathematics

contestada

x + y = -2 2x – 3y = -9

Respuesta :

karmellmoctezuma karmellmoctezuma

20-01-2017

x + y = -2
-x -x
y= -2 -x

2x -3y = -9
2x -3(-2 -x) = -9
2x +6 +3x = -9
-6 -6
5x = -15
5x/5 = -15/5
x= -3

y= -2 -x
y= -2 -(-3)
y= -2 +3
y= 1

the answer: (-3,1)

Answer Link

Otras preguntas

what problems plagued popular revolts against conservative rule in europe

What is Alex Rodriguez nationally

Why is a squid classified as a cephalopod?

Is it possible that the orientation of a figure can change after a translation? Explain

HOW DO I START MY ESSAY? FOR MY DBQ?

Are Husky German Shepherd mix good dogs? I know about huskies. I've been around huskies. I'm currently looking for a dog for my family. The kind that would be a

how do I solve 2x^x-5=0 using the quadradic formula?

HELP!! asap . PLEASE~!!!

List three evidences of physical and chemical change. ( If you know only one or two please write them anyways please)

What multiplies to -105 and add to 32