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 ( 44+ )
Otras preguntas
i need alot of help finshing this math questions
Thomas has earned $800 and earns $20 every week by mowing lawns. Ken has earned $600 and earns $30 every week for helping his father with household projects. in
Which is the last section of the digestive system?
who believed power should not be concentrated in the hands of one individual
Which best describes the meaning of this line shakespeare and Romeo and Juliet?
HURRY!!!!! ball is rolling down a hill. At one point near the top of the hill, its velocity is 2 m/s. Further down the hill, its velocity is 9 m/s. What is Δv?
with a drawing, the quality of line and the nature of shading are very much affected by the __________ of the support.
You guys I need help with something like this again
What is the CORRECT answer to both the questions?
(^=˃ᆺ˂) hiya! I need some help please (^=˃ᆺ˂) why do some earthquakes do more damage than others? (please provide actual facts that i can use ) thank yo
