14-10-2016
Mathematics

contestada

Solve the system by substitution.
-x-y-z=-8
-4x+4y+5z=7
2x+2z=4

Respuesta :

AlyssandraXD AlyssandraXD

14-10-2016

1. x=−y+8−z 2.x=−7−4y−5z (everything over 4) 3.x=2−z 1.y=-x+8-z 1.z=-x+4-y 2.y=7+4x-5x (everything over 4) 2.z=7+4x-4y (everything over 5) 3.z=2-x

Answer Link

Otras preguntas

Of the species below, only ________ is not an electrolyte. a.hcl b.rb2so4 c.ar d.koh

which shows the equation below rewritten in the form ax2 +bx+c=0

why did paris give Aphrodite the golden apple

Vietnam war effect on media

what is (13^3•14^2)+16-6

A rock is found to have a mass of 200 g and a volume of 100 ml. what is the rock's density?

What is the effect of the metaphor "sunlit path of racial justice”? It suggests that there is a warm path people can take to make society equal. It conveys tha

Suppose your friends parents invest $15,000 in an account paying 4% annually. What will the balance be after 9 years?

What is goldstein's theory about the new aristocracy? who are they, and whom are they replacing? ..?

An interest group wants to increase a state's budget for public education. The group investigates and files lawsuits against state lawmakers who have illegally