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January 30, 2015

January 30, 2015

Posted by **Carly** on Thursday, October 11, 2012 at 9:00pm.

Y-5=1/3(x-9)

2y+6a-4x=0

- Math -
**Carly**, Thursday, October 11, 2012 at 9:17pmFor the second one I have this but I'm not sure what to do next

Add 4x to both sides, so you would have 2y+6a=4x

Then I divided 2y by 2 and 4x by 2 and got y+6a=4x

Next I subtracted 6a from both sides and got y=2x-6a

Am I right so far? If so what do I do next?

- Math -
**Reiny**, Thursday, October 11, 2012 at 9:35pm2nd:

2y + 6a - 4x = 0

you want to "isolate" the y, so everybody else to the other side

2y = 4x - 6a

divide each term by 2 , (you only divided one term and not the others)

y = 2x - 3a

the 1st:

y - 5 = (1/3)(x-9)

y = (1/3)x - 3 + 5

y = (1/3)x + 2

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