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rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1What math are you in because you can either put this in a matrix which is faster or you can write it all out by hand

Monkeyball
 2 years ago
Best ResponseYou've already chosen the best response.0Do you know matrices?

alyannahere
 2 years ago
Best ResponseYou've already chosen the best response.0nope. i think it has to be the traditional way

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1Then you need to solve for each variable one at a time. Do you need help getting started?

alyannahere
 2 years ago
Best ResponseYou've already chosen the best response.0@rshextall yes please! :)

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1Then lets start with the first equation and solve for x.

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1Just add 2y and subtract z from both sides of the equation \[x2y+2y+zz=4+2yz\] \[x=4+2yz\]

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1Do you see what happened there?

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1Then you need to plug it into one of the other equations and solve for either y or z

alyannahere
 2 years ago
Best ResponseYou've already chosen the best response.0so plugging it into the 2nd equation mates it 2y2z=6 ? then?

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1It takes a while but it's not to difficult, but its easy to make simple mistakes like forgetting a minus sign and stuff

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1Then solve for either y or z

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1Then you have to both x and the other into the last equation and solve for the last variable

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1You can check your answer by plugging your answers for x, y, and z into the first equations. They should work for all 3 equations

alyannahere
 2 years ago
Best ResponseYou've already chosen the best response.0z=1 y=2 x=9. yup i got it thanks!

alyannahere
 2 years ago
Best ResponseYou've already chosen the best response.0@rshextall but can you show me how to do the matrix, it's in the next lesson of the book so i think i should learn it too.

rshextall
 2 years ago
Best ResponseYou've already chosen the best response.1You have to learn the rules of matrices. They're a bit more in depth than we can really get into on here. If you like I can help you with your homework with it when you get it
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