Sydfly333 Sydfly333

20-02-2017
Mathematics

contestada

Solve using systems of equations. -3x-4y=-8
3x+3y=9

Respuesta :

SyntaxError SyntaxError

20-02-2017

Sure thing!

[tex]-3x-4y=-8\\ 3x+3y=9\\ ----------\\ 0x-1y=1\\ y=-1\\ [/tex]

since y = -1 we can just plug it into the first equation
[tex]-3x-4(-1)=-8\\ -3x+4=-8\\ -3x=-12\\ x=4[/tex]

Answer Link

Otras preguntas

the pervasive criterion by which accounting information can be judged is that of:______.

what kind(s) of lava are most closely associated with composite cones?

The pressure exerted by a liquid column of depth 0.5 m on the base of its container is 5000 Nm-2. Find the density of the liquid.

an agency that does not actively monitor the businesses it regulates but instead waits for private citizens or interest groups to raise questions about the acti

which file contains the default environment variables when using the bash shell and why? a. ~/.profile b. ~/.bash c. /etc/profile.d d. ~/bash

according to the goodness of fit model educators should ask which questions

c=18n+13 c is pence n is units the unit is 250

Which of the following environments supports chemosynthesis? Choose all that apply. a) subduction zones where methane from the decomposition of organic material

in a well constructed paragraph write your perspective in which you discuss whether cancel culture helps or harm society

which nursing action promotes safety of a patient who is prescribed continuous enteral feeding?