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February 28, 2015

February 28, 2015

Posted by **Lauren** on Thursday, January 31, 2013 at 8:37pm.

Systems of Equations

x + y = 0

5x + 2y = -3

this is what i got so far....

x + y = 0 ----> x = 0 - y

5x + 2y(0-y) = -3

please help!!!!

- Math 8R - HELP! -
**Jessica**, Thursday, January 31, 2013 at 8:42pmyou have it right so far

- Math 8R - HELP! -
**Lauren**, Thursday, January 31, 2013 at 8:46pmi know but can you please help me do the rest

- Math 8R - HELP! -
**Jessica**, Thursday, January 31, 2013 at 8:50pmyou take 2 times 0 to get rid of the y, then you have 5x= negative three figure out x or else you are never going to learn. Is this due tomorrow?

- Math 8R - HELP! -
**Lauren**, Thursday, January 31, 2013 at 8:58pmyes

you don't have to give me the answer

I just wanted you to write it out so that I can understand and figure out the answer myself.

- Math 8R - HELP! -
**Jessica**, Thursday, January 31, 2013 at 9:00pm2x0=0

5x=-3

what is x?

- Math 8R - HELP! -
**bobpursley**, Thursday, January 31, 2013 at 9:00pmx + y = 0

5x + 2y = -3

y=-x

5x+2(-x)=-3

5x-2x=-3

3x=-3

divide both sides by 3

- Math 8R - HELP! -
**Lauren**, Thursday, January 31, 2013 at 9:01pmi got -0.6.... i don't think that's the answer for x...

I'm solving for x and then I have to su solve for y

- Math 8R - HELP! -
**Jessica**, Thursday, January 31, 2013 at 9:02pmthat is not right what grade are you in bobpursley?

- Math 8R - HELP! -
**Jessica**, Thursday, January 31, 2013 at 9:03pmgtg

- Math 8R - HELP! -
**Lauren**, Thursday, January 31, 2013 at 9:04pmbobpursley is a teacher on jiskha hw help

- Math 8R - HELP! -
**Lauren**, Thursday, January 31, 2013 at 9:05pm5x + 2y(0-y) = -3

don't you minus 2y on both sides (under -y)????

- Math 8R - HELP! -
**Jessica**, Thursday, January 31, 2013 at 9:11pmyeah.you are right.

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