hahntimmy hahntimmy

11-10-2016
Mathematics

contestada

solve the system of equations 3x+2y=14 2x-4y=4

Respuesta :

texaschic101 texaschic101

11-10-2016

3x + 2y = 14....multiply by 2
2x - 4y = 4
----------------
6x + 4y = 28 (result of multiplying by 2)
2x - 4y = 4
----------------add
8x = 32
x = 32/8
x = 4

2x - 4y = 4
2(4) - 4y = 4
8 - 4y = 4
-4y = 4 - 8
-4y = -4
y = -4/-4
y = 1

solution is (4,1)

Answer Link

Otras preguntas

PLEASE HELP I REALLY NEED A ANSWER ANSWER THIS ASAP Read the excerpt from the call of the wild below and answer the question below! He saw, once and for all, th

Find the volume of the following rectangular pyramid: 8 in. It’s 116in

Dailies is a large retail chain in New Jersey. Apart from selling to customers, Dailies supplies bread and vegetables to a large number of restaurants in and ar

Which organizational mechanism illustrated by the integrative model dictates how the units within the firm link to other units? Organizational structure Organ

What do earths system include

Zelig and Bertram are reading the same book. Because Zelig is reading it for a class, he is expected to finish it by a certain date and write a paper on what he

Imperfect markets: do not exist in democracies. always result in supply exceeding demand. always result in demand exceeding supply. occur when the buyer or sell

Just as the depletion of stratospheric ozone threatens life on Earth today, its accumulation was one of the crucial processes that allowed life to develop in pr

Compare chromosome behaviors during mitosis and meiosis.

Iris, usually involved with her friends, has become withdrawn and isolated. she has stopped taking showers and changing her clothes. when asked what she is thin