BritishAce
BritishAce
01-02-2017
Mathematics
contestada
Substitution Method. Help please? #5 please!
Respuesta :
apetrostone
apetrostone
01-02-2017
switch the second equation to equal y so...
y=-2x-3
then plug in for y in the first equation
2x+4(-2x-3)=6
2x-8x-12=6
-6x=18
x=-3
now plug in for y
2(-3)+y=-3
-6+y=-3
y=3
answer (-3,3)
Answer Link
VER TODAS LAS RESPUESTAS ( 34+ )
Otras preguntas
Aisha is buying corn seed packs sold in boxes of 100. She has 400 packs, but she needs a total of 600
Can someone please help me with math
Write conversion factors between moles of each constituent element and moles of the compound for c12h22o11
are detention effective? explain your thinking
How can hypnotherapy help people with cancer? NEED HELP!!!!
what is the formula and name of the compound formed between na+ and o2-
Need help! plzzzzz help
Describe how weathering, erosion, and deposition act together to wear down and build up earths surface
Why is a person doing a cannonball dive an example of free fall while a person descending to earth on a parachute is not?
This protective covering on the axon is formed by a type of neurglia called schwann cells.