BaiC4ibscarrer BaiC4ibscarrer

24-11-2016
Mathematics

contestada

PLEASE HELP? SERIOUSLY? :)

Solve 2x + 5y = -133x - 4y = -8

(4, 1)

(-4, 1)

(4, -1)

(-4, -1)

Respuesta :

nobillionaireNobley nobillionaireNobley

25-11-2016

2x + 5y = -8 . . . (1)
-133x - 4y = -8 . . . (2)

(1) * 4 => 8x + 20y = -32 . . . (3)
(2) * -5 => -665x + 20y = 32 . . . (4)

(3) - (4) => 673x = 0
x = 0
From (1), 2(0) + 5y = -8
5y = -8
y = -8/5

Answer Link

Otras preguntas

PLEASE HELP PLEASE ASAP

is this a physical or chemical change?? please help ASAP!!!

(40 points) first one gets brainliest Read the excerpt from “Tools of the Spymaster." The numbers that Major Tallmadge assigned to members of the Culper Ring w

Laura's community contains a large, circular running track surrounding a nature reserve. The diameter of the track is 6 mi. Last Tuesday, Laura ran 25 of a lap

How do I answer this? I need this for today

If A and B are supplementary angles and A is two times as large as B, find the measures of A and B. What’s the measure of B?

Users independently sign up for two online social networking sites, Lookbook and Quickgram. On average, 7.5 users sign up for Lookbook each minute, while on ave

What type of event led to the growth of the international ladies garment workers union? A. A supreme court decision B. A strike that cost many lives C. The hir

What is the global average wage of people living in poverty

Choose the best word to completeeach sentence.une carteune enveloppeune cabined'argentla posteun rhumela gorgele facteur1. J'ai besoin de sirop. J'ai mal à2. S