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October 26, 2014

October 26, 2014

Posted by **J** on Tuesday, February 5, 2013 at 10:59pm.

3x-5y=7

5x-2y=-1

- Math page 167 algebra did you hear about... -
**J**, Tuesday, February 5, 2013 at 11:03pmHow do you start it then I can solve it easily. I'm not cheating.!!!!!

- Math page 167 algebra did you hear about... -
**Reiny**, Tuesday, February 5, 2013 at 11:40pmYou want either the x's or the y's to have opposite coefficients.

let's work on the y's

#1 times 2 ----> 6x - 10y = 14

#2 times -5 ---> -25x + 10y =5

add them:

-19x = 19

x = -19/19 = -1

back in #1:

3(-1) - 5y = 7

=5y = 7 + 3 = 10

y = -2

x = -1 , y = -2

- Math page 167 algebra did you hear about... -
**Anonymous**, Sunday, February 10, 2013 at 3:31pmhi

- Math page 167 algebra did you hear about... -
**Anonymous**, Wednesday, February 13, 2013 at 1:24amanswers...

- Math page 167 algebra did you hear about... -
**Anonymous**, Wednesday, February 20, 2013 at 9:26pmTits

- Math page 167 algebra did you hear about... -
**Anonymous**, Tuesday, February 25, 2014 at 11:41pmi dont know im... im cheating ...this shiz is hard

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