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Mathematics 13 Online
OpenStudy (anonymous):

6x+y=17

OpenStudy (fibonaccichick666):

what would you like to do?

OpenStudy (anonymous):

slove the system by the method of your choice. 6x+y=17 x+3y=0

OpenStudy (fibonaccichick666):

any ideas on how to begin?

OpenStudy (anonymous):

no :(

OpenStudy (fibonaccichick666):

Can you solve your second eq for x?

OpenStudy (anonymous):

subsitution i think would be the easiest

OpenStudy (anonymous):

I would set them both equal to y. 6x+y=17 6x-6x+y=17-6x y=-6x+17 x-x+3y=0-x 3y=-x 3y/3=-x/3 y=(-1/3)x Then set them equal to each other. (-1/3)x=-6x+17 (-1/3)x+6x=17 17/3x=17 17/3*3x=17*3 17x=51 17x/17=51/17 x=3

OpenStudy (anonymous):

Then plug x into one of the original equations to find y.

OpenStudy (anonymous):

yea what he said lol

OpenStudy (anonymous):

She :) Lol but thanks!

OpenStudy (anonymous):

lol is there a easier way.

OpenStudy (fibonaccichick666):

Much easier if you would answer me

OpenStudy (anonymous):

oh sorry :o @girlnotonfire

OpenStudy (fibonaccichick666):

can you solve the second eq for x?

OpenStudy (anonymous):

i guess :/

OpenStudy (fibonaccichick666):

please do

OpenStudy (anonymous):

what do i do?

OpenStudy (anonymous):

im clueless uuugggh lol

OpenStudy (fibonaccichick666):

solve: x+3y=0 for x

OpenStudy (fibonaccichick666):

get x by itself

OpenStudy (anonymous):

x + 3(0)= 0 x=0

OpenStudy (fibonaccichick666):

no, why did you put a zero in for the y?

OpenStudy (anonymous):

idk

OpenStudy (fibonaccichick666):

ok, can you please watch this set of videos for me so that you are able to understand the problem? https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-beginner-equations/v/simple-equations

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